Vol. 272, Issue 7, 1972September 01, 1972 EDT
Physical Geography; a Systems Approach [Book Review]
Physical Geography; a Systems Approach [Book Review]
F. Ahnert,
Ahnert, F. (1972). Physical geography; a systems approach [book review]. American Journal of Science, 272(7), 672–673. https://doi.org/10.2475/ajs.272.7.672