@misc{Riedel_Adolf_(1930–2010)_Genera_1980,
 author={Riedel, Adolf (1930–2010)},
 copyright={Rights Reserved - Restricted Access},
 address={Rotterdam},
 howpublished={online},
 year={1980},
 publisher={W. Backhuys, Publisher},
 language={ger},
 title={Genera zonitidarum : Diagnosen supraspezifischer Taxa der Familie Zonitidae (Gastropoda, Stylommatophora)},
 keywords={snails, classification, Zonitidae},
}