Polygyra septemvolva (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Polygyra septemvolva" in English language version.

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doi.org

Webb, Glenn R. (1950). "The Sexology of Polygyra septemvolva Say, Life-History Notes, Possible Utility, and Data on Stenotrema (Mollusca, Gastropoda, Pulmonata, Polygyridae)". Transactions of the American Microscopical Society. 69 (4): 387–393. doi:10.2307/3223134. ISSN 0003-0023.

jstor.org

Emberton, Kenneth C. (1988). "Shell Variation in a Population of Polygyra septemvolva (Pulmonata: Polygyridae)". Proceedings of the Academy of Natural Sciences of Philadelphia. 140 (1): 285–294. ISSN 0097-3157.
Webb, Glenn R. (1950). "The Sexology of Polygyra septemvolva Say, Life-History Notes, Possible Utility, and Data on Stenotrema (Mollusca, Gastropoda, Pulmonata, Polygyridae)". Transactions of the American Microscopical Society. 69 (4): 387–393. doi:10.2307/3223134. ISSN 0003-0023.

worldcat.org

search.worldcat.org

Emberton, Kenneth C. (1988). "Shell Variation in a Population of Polygyra septemvolva (Pulmonata: Polygyridae)". Proceedings of the Academy of Natural Sciences of Philadelphia. 140 (1): 285–294. ISSN 0097-3157.
Webb, Glenn R. (1950). "The Sexology of Polygyra septemvolva Say, Life-History Notes, Possible Utility, and Data on Stenotrema (Mollusca, Gastropoda, Pulmonata, Polygyridae)". Transactions of the American Microscopical Society. 69 (4): 387–393. doi:10.2307/3223134. ISSN 0003-0023.