共 13 条
[2]
BRACH EJ, 1977, CAN AGR ENG, V19, P78
[3]
BRACH EJ, 1976, 6842570 ENGNG RES SE
[5]
GOODMAN MS, 1959, PHOTOGRAMM ENGNG, V25, P58
[7]
Mayr E., 1953, METHODS PRINCIPLES S
[8]
MEYER MD, 1971, SCI J SER
[9]
MURTHA PA, 1972, 1292 CAN FOR SERV PU
[10]
PHILPOTTS LE, 1969, PHOTOGRAMM ENG, V35, P1116