Threats faced by chondrichthyan fish
Stevens, J.D.; Walker, T.I.; Cook, S.F.; Fordham, S.V. (2007). Threats faced by chondrichthyan fish, in: Fowler, S.L. et al. (Ed.) (2005). Sharks, rays and chimaeras: the status of the Chondrichthyan fishes. Status survey. pp. 48-57
In: Fowler, S.L. et al. (Ed.) (2005). Sharks, rays and chimaeras: the status of the Chondrichthyan fishes. Status survey. IUCN/SSC Shark Specialist Group: Gland. ISBN 2-8317-0700-5. X, 461 pp., meer
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