Van Cleave, H. J. (1933). Natural vs. accidental death in different habitats of the snail Viviparus contectoides. Transactions of the Illinois State Academy of Science. 26(2): 136.
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Van Cleave, H. J.
1933
Natural vs. accidental death in different habitats of the snail <i>Viviparus contectoides</i>
Transactions of the Illinois State Academy of Science