TY - GEN AU - De Kock,K N AU - Joubert,P H AU - Pretorius,S J TI - Geographical distribution and habitat preferences of the invader freshwater snail species Lymnaea columella (Mollusca: Gastropoda) in South Africa SN - 0030-2465 PY - 1990///0410 KW - Animals KW - Fresh Water KW - Lymnaea KW - South Africa N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't ER -