- Publication venue
- Cambridge, Mass. :Arnold Arboretum, Harvard University [etc.],1919-
- Publication date
- 01/01/1961
- Field of study
Volume: 42Start Page: 165End Page: 20
- Publication venue
- 'Proceedings of the National Academy of Sciences'
- Publication date
- Field of study
- Publication venue
- 'Proceedings of the National Academy of Sciences'
- Publication date
- Field of study
- Publication venue
- 'Walter de Gruyter GmbH'
- Publication date
- 01/01/1986
- Field of study
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- 01/01/1973
- Field of study