1
2
3
4
by Leighly, John
Published in University of California Publications in Geography, vol. 6, no. 7 (1939)
Published in University of California Publications in Geography, vol. 6, no. 7 (1939)
Article
5
6
7
8
9
10
11
12
13
Article
14
15
16
by Sandru, I.
Published in Revue Roumaine de geologie, geophysique et geographie, Serie de Geographie (1964)
Published in Revue Roumaine de geologie, geophysique et geographie, Serie de Geographie (1964)
Article
17
18
19
20