Template:Zilch, 1960

• Zilch, A. 1959–1960. Gastropoda Teil 2. Euthyneura. in: Schindewolf, O.H. (ed.): Handbuch der Paläozoologie. 6 (2, 1): 1–200 (17 July 1959); (2, 2): 201–400 (25 November 1959); (2, 3): 401–600 (30 March 1960); (2, 4): 601–834, I-XII (15 August 1960). Borntraeger, Berlin.  
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