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DOI: https://doi.org/10.3402/tellusa.v12i3.9393 | Journal eISSN: 3035-9554
Language: English
Page range: 348 - 355
Published on: Jan 1, 1960
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services
© 1960 N. G. Jerlov, M. Fukuda, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.