Steffan, A.W. — Evolution und Systematik der Adelgidae (Homoptera: Aphidina). Eine Verwandschaftsanalyse auf vorwiegend ethologischer, zytologischer und karyologischer Grundlage.
1968 xii, 139 p., 146 text figures, 2 plates, royal 4to, paperbound. Library stamps, else good copy. A study on, mainly, the genus level. Well-illustrated. Part of Zoologia 40(5) / Heft 115.
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Numero libro:
EW37906
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