共 7 条
[1]
*CONSTR ENG RES LA, 1989, US MAN GEOGR RES AN
[2]
*EARTH RES DAT AN, 1989, EARTH RES DATA AN SY
[3]
EASTMAN JR, 1989, IDRISI GRID BASED GE
[4]
FANSHAWE J, 1985, GLOBAL RESOURCE INFO
[5]
MAGEE MW, 1988, AUTOMENU SOFTWARE MA
[6]
*NAT GEOPH DAT CTR, 1989, GEOPH N AM
[7]
*UN ENV PROGR, 1988, 5 REP