- Publication venue
- [Amsterdam] :Nederlandse Entomologische Vereniging.
- Publication date
- 01/01/1920
- Field of study
Volume: 63Start Page: 96End Page: 10
- Publication venue
- Farnham Royal :Commonwealth Agricultural Bureaux.
- Publication date
- 01/01/1920
- Field of study
Volume: 11Start Page: 77End Page: 9