Studies on the germ cells of aphids Stevens, N. M. (Nettie Maria), 1861-1912 creator text book Washington, D.C Carnegie Institution of Washington 1906 1906
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ENG Alphididae Embryology Insects QL958 .S84 Carnegie Institution of Washington publication, no. 51 https://www.biodiversitylibrary.org/bibliography/23657 844075 06022856 10.5962/bhl.title.23657 DLC