@misc{Schröder_Christoph._Editor._Die_1926,
 author={Schröder, Christoph. Editor. and Friese, H.},
 copyright={Rights Reserved - Restricted Access},
 address={Stuttgart},
 howpublished={online},
 year={1926},
 publisher={Franckh’sche Verlagshandldng},
 language={ger},
 title={Die Insekten Mitteleuropas insbesondere Deutschlands. Band 1, Erster Teil ; Hymenopteren},
 type={Text},
 URL={http://www.rcin.org.pl/Content/120236/PDF/WA488_149799_8250-1_Hymenopteren-Band1.pdf},
 keywords={Insects (Hymenoptera) - Apidae - Vespidae - Fossores - Chrysididae - Germany - Central Europe},
}