Beitrag zur Kenntnis der Cyclocephaliden (Col., Dyn.)
Published in Deutsche Entomologische Zeitschrift, in 1922, in volume 1922, issue 1, pages 81-95
Date published:1922
Published in Deutsche Entomologische Zeitschrift, in 1922, in volume 1922, issue 1, pages 81-95
Date published:1922