共 13 条
[1]
Ball John, 1939, CONTRIBUTIONS GEOGRA
[2]
EATON F, 1936, NATL RES COUNCIL AM, V17, P512
[3]
EATON FM, 1935, USDA TECH B, V448
[4]
Eaton FM, 1949, SCI MON, V69, P34
[5]
GRACIE DC, 1934, EGYPT MIN AGR TECH S, V148
[6]
HILL RA, 1942, T AM SOC CIVIL ENG, V107, P1477
[7]
KELLEY W. P., 1934, HILGARDIA, V8, P149
[8]
Kelly W.P., 1941, T AM SOC CIV ENG, V106, P849, DOI DOI 10.1061/TACEAT.0005384
[9]
PALMER C, 1911, US GEOL SURVEY B, V479
[10]
Richards LA, 1947, DIAGNOSIS IMPROVEMEN