Yan, Y., Byrne, B., Woodhead, Steve and Coulthard, John M. (1995) Velocity measurement of pneumatically conveyed solids using electrodynamic sensors. Measurement Science and Technology, 6 (5). pp. 515-537. ISSN 0957-0233 (Print), 1361-6501 (Online) (doi:https://doi.org/10.1088/0957-0233/6/5/013)