共 18 条
[1]
BANDELIER AF, 1892, FINAL REPORT INVES 2
[2]
BLACK PE, 1973, WATER HUMAN ENV, V3, P253
[3]
BLENCH T, 1972, RIVER ECOLOGY MAN, P287
[5]
FAHN A, 1972, SEED BIOL, V1
[6]
HASTINGS JR, 1972, CHANGING MILE ECOLOG
[7]
HEY RD, 1975, WATER HUMAN NEEDS, V5, P183
[8]
Hudson N., 1971, SOIL CONSERVATION
[9]
JOHNSON RR, 1977, USDA RM43 FOR SERV G