- Publication venue
- University of Minnesota. Minnesota Agricultural Experiment Station
- Publication date
- 01/06/1950
- Field of study
This archival publication may not reflect current scientific knowledge or recommendations
- Publication venue
- 'Cambridge University Press (CUP)'
- Publication date
- Field of study
- Publication venue
- 'The Association of Korean Photo-Geographers'
- Publication date
- Field of study
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- Field of study