Coker, R.D. (1997) Mycotoxins and their control: constraints and opportunities (NRI Bulletin 73). [Working Paper]

Bradburn, N., Coker, R.D., Jewers, K. and Tomlins, K.I. (1990) Evaluation of the ability of different concentrations of aqueous acetone, aqueous methanol and aqueous acetone: Methanol (1∶1) to extract aflatoxin from naturally contaminated maize. Chromatographia, 29 (9-10). pp. 435-440. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261390)

Tomlins, K.I., Jewers, K. and Coker, R.D. (1989) Evaluation of non-polar bonded-phases for the clean-up of maize extracts prior to aflatoxin assay by HPTLC. Chromatographia, 27 (1-2). pp. 67-70. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290408)

Tomlins, K.I., Jewers, K., Coker, R.D. and Nagler, M.J. (1989) A bi-directional HPTLC development method for the detection of low levels of aflatoxin in maize extracts. Chromatographia, 27 (1-2). pp. 49-52. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290404)

Coker, R.D., Jewers, K., Tomlins, K.I. and Blunden, G. (1988) Evaluation of instrumentation used for high performance thin-layer chromatography of aflatoxins. Chromatographia, 25 (10). pp. 875-880. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02311421)