共 14 条
[11]
Smith H T, 1941, Science, V93, P209, DOI 10.1126/science.93.2409.209
[12]
SMITH HTU, 1936, J GEOL, V44, P826
[13]
Strahler, 1940, J GEOMORPHOL, V3, P285
[14]
[No title captured]