DOI: https://doi.org/10.3402/tellusa.v13i1.9440 | Journal eISSN: 3035-9554
Language: English
Page range: 1 - 7
Published on: Jan 1, 1961
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services
© 1961 Arthur F. Krueger, Sigmund Fritz, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.