Citation: Dc. Beckett et al., WHERE HAVE ALL THE CRANGONYX GONE - THE DISAPPEARANCE OF THE AMPHIPODCRANGONYX PSEUDOGRACILIS, AND SUBSEQUENT APPEARANCE OF GAMMARUS NR. FASCIATUS, IN THE OHIO RIVER, The American midland naturalist, 139(2), 1998, pp. 201-209
Citation: Dc. Beckett et al., EPIZOIC INVERTEBRATE COMMUNITIES ON UPPER MISSISSIPPI RIVER UNIONID BIVALVES, The American midland naturalist, 135(1), 1996, pp. 102-114