Farago, M; Hutchinson, E; Simpson, P; Thornton, I; (2005) Recent increases in platinum metals in the environment from vehicle catalytic converters. Applied Earth Science : IMM Transactions section B, 114 (3). pp. 182-192. ISSN 0371-7453 DOI: https://doi.org/10.1179/037174505X45531 Full text not available from this repository.

Hutchinson, E; Pearson, P; (2005) Vehicle exhaust catalysts in Great Britain: an environmental and economic analysis. Applied Earth Science : IMM Transactions section B, 114 (3). pp. 173-181. https://researchonline.lshtm.ac.uk/id/eprint/6087 Full text not available from this repository.