共 5 条
[1]
GRIMES BH, 1969, PHOTOGR J, V109
[2]
GROSENBAUGH LR, 1965, PSW21 PAC SOUTHW FOR
[3]
GROSENBAUGH LR, 1967, PSW13 PAC SOUTHW FOR
[4]
A FIELD STEREOPHOTOGRAPHIC TECHNIQUE FOR RANGE VEGETATION ANALYSIS
[J].
JOURNAL OF RANGE MANAGEMENT,
1970, 23 (03)
:218-&
[5]
MEASURING VEGETATION CHANGES ON FIXED QUADRATS BY VERTICAL GROUND STEREOPHOTOGRAPHY
[J].
JOURNAL OF RANGE MANAGEMENT,
1971, 24 (03)
:233-&