共 15 条
[1]
BEETLE AA, 1956, WAESB 341, P1
[2]
DARTON N. H., 1906, USGSPP 51, P1
[3]
DAUBENMIRE R. F., 1942, ECOL MONOGR, V12, P53, DOI 10.2307/1948422
[4]
DUNNEWALD T. J., 1929, JOUR AMER SOC AGRON, V21, P934
[5]
DUNNEWALD T. J., 1930, JOUR AMER SOC AGRON, V22, P577
[6]
DUNNEWALD TJ, 1939, USBCS 28, P1
[7]
DYKSTERHUIS E. J., 1949, JOUR RANGE MANAGEMENT, V2, P104, DOI 10.2307/3893680
[10]
HARRINGTON HD, 1954, MANUAL PLANTS COLORA, P1