Morphology of invertebrate types Petrunkevitch, Alexander, 1875-1964 creator text book New York Macmillan Company c1916 1916
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ENG Anatomy Invertebrates QL363 .P45 592 https://www.biodiversitylibrary.org/bibliography/34117 1063534 16015307 10.5962/bhl.title.34117 DLC