共 38 条
[11]
Costello David F., 1944, ECOL MONOGR, V14, P107, DOI 10.2307/1961633
[14]
DARLAND RW, 1945, U NEBR CONSERV SURV, V27
[15]
DYKSTERHUIS E. J., 1949, JOUR RANGE MANAGEMENT, V2, P104, DOI 10.2307/3893680
[16]
FLY CL, 1946, KANS STATE BD AGR RE, V271, P146
[17]
GLEASON HA, 1952, NEW BRITTON BROWN IL
[18]
HANSON H. C., 1938, ECOL MONOGR, V8, P57, DOI 10.2307/1943021
[19]
HARRINGTON HD, 1954, MANUAL PLANTS COLORA
[20]
HITCHCOCK AS, 1950, US DEP AGR MISC PUB, V200