共 16 条
[1]
BROWN D, 1954, 42 BRIT COMM BUR PAS
[3]
DYKSTERHUIS E. J., 1949, JOUR RANGE MANAGEMENT, V2, P104, DOI 10.2307/3893680
[5]
HORMAY AL, 1961, 51 US DEP AGR PROD R
[6]
JOHNSON WM, 1965, RM14 US DEP AGR FOR
[7]
PARKER KW, 1954, METHOD MEASURING TRE
[8]
PAYNE WD, 1958, THESIS NORTH DAKOTA
[9]
SHORT L. R., 1956, Journal of Range Management, V9, DOI 10.2307/3894551
[10]
SMITH JUSTIN G., 1959, JOUR RANGE MANAGEMENT, V12, P204, DOI 10.2307/3894853