共 17 条
[1]
ANDERSON R, 1974, N MISSOURI RIVER TRI
[2]
Anuta P. E, 1973, 103073 PURD U LAB AP
[3]
BAUMGARDNER MF, 1973, 2ND S SIGN RES OBT E
[4]
CREA WJ, 1973, 3RD EARTH RES TECHN, V3
[5]
FRAZEE CJ, 1974, S DAKOTA AGRIC 1276
[6]
KRISTOF SJ, 1974, PHOTOGRAMM ENG REM S, V40, P1427
[8]
MARTIN JV, 1970, MISSOURI CONSERVATIO
[9]
MAXWELL DC, 1942, PHYSICAL LAND CONDIT
[10]
MYERS WL, 1974, USE ERTS DATA MULTID, P45