共 9 条
[1]
[Anonymous], [No title captured]
[3]
BRANSON F. A., 1966, J RANGE MANAGE, V19, P182, DOI 10.2307/3895644
[4]
DICKENSON RE, 1940, 587 TEX AGR EXP STA
[5]
HANCOCK VB, 1968, THESIS UTAH STATE U
[6]
NICHOLS JT, 1964, WYO RANGE MANAGE, V187, P27
[9]
WINKWORTH RE, 1963, J RANGE MANAGE, V16, P138