Elasmobranch bycatch in US West Coast groundfish fisheries. Endangered Species Research, 45, 109–126
DOI: 10.3354/esr01121
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London Clay Fossils of Kent and Essex. Rochester, Kent, Medway Fossil and Mineral Society, 228 p, ISBN: 978–0–9538243–1–1
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London Clay Fossils of the Isle of Sheppey. Medway Lapidary and Mineral Society, ISBN 0-9538243-0-6, 100pp.