Gibson, D. I. (2002). Class Trematoda Rudolphi, 1808. In Gibson DI, Jones A and Bray RA (eds),. Keys to the Trematoda, vol. 1. Wallingford: CAB International,. pp. 1-3.
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Gibson, D. I.
2002
Class Trematoda Rudolphi, 1808. In Gibson DI, Jones A and Bray RA (eds),