Tripathi, Nimisha, Hills, Colin D., Gunning, Peter and Singh, Raj S. (2017) Mineralisation of CO2 in wastes for Indian climate change. In: NexGen Technologies for Mining and Fuel Industries (Volume I and II). Allied Publishers Pvt Ltd, New Delhi, pp. 1129-1138. ISBN 978-93-85926-40-2

Lake, Craig, Choi, Hun, Hills, Colin D., Gunning, Peter and Manaqibwala, Idris (2016) Manufactured aggregate from cement kiln dust. Environmental Geotechnics. pp. 1-12. ISSN 2051-803X (Online) (doi:10.1680/jenge.15.00074)

Jamshidi, Reza Jolous, Lake, Craig B., Gunning, Peter and Hills, Colin D. (2016) The effect of freeze/thaw cycles on the performance and microstructure of cement-treated soils. Journal of Materials in Civil Engineering, 28 (12). ISSN 0899-1561 (Print), 1943-5533 (Online) (doi:10.1061/(ASCE)MT.1943-5533.0001677)

Araizi, Paris K., Hills, Colin D., Maries, Alan, Gunning, Peter J. and Wray, David S. ORCID: https://orcid.org/0000-0002-0799-2730 (2016) Enhancement of accelerated carbonation of alkaline waste residues by ultrasound. Waste Management, 50. pp. 121-129. ISSN 0956-053X (doi:10.1016/j.wasman.2016.01.006)

Gunning, Peter and Hills, Colin (2015) Negative about carbon: a positive approach. In: ACEME 2015 (Fifth International Conference on Accelerated Carbonation for Environmental and Material Engineering). American Institute of Chemical Engineers (AIChE), New York, USA, pp. 154-161. ISBN 978-1-5108-1549-0

Hills, Colin, Gunning, Peter and Bates, Edward (2015) Stabilisation/Solidification of Contaminated Soil and Waste: Science. Hygge Media, UK. ISBN 978-0-9932729-4-3

Gunning, Peter and Hills, Colin (2015) Carbon8: Combined carbon capture and waste treatment – A commercial reality. In: Book of extended abstracts of WASCON 2015: Resource Efficiency in Construction. WASCON 2015, Santander, Spain, pp. 140-145. ISBN 978‐84‐606‐8423‐7

Gunning, Peter, Hills, Colin, Gunning, Robert and Maries, Alan (2015) SAPICO2: Production of sustainable construction aggregates through cementation with carbon dioxide. In: Book of extended abstracts of WASCON 2015: Resource Efficiency in Construction. WASCON, Santander, Spain, pp. 133-139. ISBN 978‐84‐606‐8423‐7

Gunning, Peter, Hills, Colin, Gunning, Robert and Maries, Alan (2015) Carbon Dioxide Sequestration in Wastes: The SAPICO2 Project. In: Proceedings of the 5th International Conference on Accelerated Carbonation for Environmental and Material Engineering 2015. American Institute of Chemical Engineers, New York, NY, pp. 169-177. ISBN 978-1-5108-1549-0

Gunning, Peter, Hills, Colin, Araizi, Paris, Maries, Alan and Wray, David ORCID: https://orcid.org/0000-0002-0799-2730 (2014) Carbon capture using wastes: A review. In: 7th International Scientific Conference: Science and Higher Education in Function of Sustainable Development, 3-4 October 2014, Uzice, Serbia.

Guning, Peter and Hills, Colin (2014) Carbon negative: First commercial application of accelerated carbonation technology. In: 7th International Scientific Conference: Science and Higher Education in Function of Sustainable Development, 3-4 October 2014, Uzice, Serbia.

Araizi, P. K., Hills, C. D., Maries, A., Gunning, P. and Wray, D. S. ORCID: https://orcid.org/0000-0002-0799-2730 (2013) The current status of commercialisation of carbonation technology. In: Fourth International Conference on Accelerated Carbonation for Environmental and Materials Engineering (ACEME 2013), 9-12 APR 2013, Leuven, Belgium.

Gunning, Peter, Hills, C. D. and Carey, P. J. (2013) Commercial application of accelerated carbonation: Looking back at the first year. In: ACEME 2013. ACEME 2013, Leuven, Belgium, pp. 185-192.

Alfieri, Felice, Gunning, Peter, Gallo, Michela, Del Borghi, Adriana and Hills, Colin (2012) Monitoring of carbon dioxide uptake in accelerated carbonation processes applied to air pollution control residues. In: Proceedings of ECOS 2012 - The 25th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. Firenze University Press, Perugia, Italy, pp. 205-217. ISBN 978-88-6655-322-9

Gunning, Peter, Hills, Colin, Carey, Paula, Greig, Stephen and Schilling, Malte (2012) Carbonation of MSWI APCr for re-use as a light-weight aggregate. In: Ash Utilisation 2012: Ashes in a Sustainable Society, January 25-27, 2012, Stockholm, Sweden.

Gunning, Peter, Hills, Colin and Carey, Paula (2012) Commercial production of accelerated carbonated aggregate from MSWI APCR. In: Proceedings of the 8th International conference on sustainable management of waste and recycled materials in construction. WASCON, Gothenburg, Sweden.

Gunning, Peter, Hills, Colin D., Antemir, Aurora and Carey, Paula J. (2011) Secondary aggregate from waste treated with carbon dioxide. Proceedings of the ICE - Civil Engineering, 164 (5). pp. 231-239. ISSN 0965-089X (Print), 1751-7672 (Online) (doi:10.1680/coma.1000011)

Gunning, Peter, Hills, Colin D. and Carey, Paula J. (2010) Accelerated carbonation treatment of industrial wastes. Waste Management, 30 (6). pp. 1081-1090. ISSN 0956-053X (doi:10.1016/j.wasman.2010.01.005)

Gunning, Peter J., Hills, Colin D. and Carey, Paula J. (2009) Production of lightweight aggregate from industrial waste and carbon dioxide. Waste Management, 29 (10). pp. 2722-2728. ISSN 0956-053X (doi:10.1016/j.wasman.2009.05.021)

Gunning, Peter, Hills, Colin and Carey, Paula (2009) Production of lightweight aggregate from industrial waste and carbon dioxide. Waste Management, 29 (10). pp. 2722-2728. ISSN 0956-053X (doi:10.1016/j.wasman.2009.05.021)

Antemir, Aurora, Gunning, Peter, Hills, Colin and Carey, Paula (2008) Accelerated carbonation for the treatment of landfilled cement kiln dust. In: Accelerated Carbonation for Environmental and Materials Engineering Conference, 1-3 October, 2008, Rome, Italy.