共 4 条
[1]
COTTAM C, 1936, BS30 US BIOL SURV WI
[2]
King TR, 1944, J AGRIC RES, V69, P0033
[3]
STODDARD HL, 1931, BOBWHITE QUAIL ITS P
[4]
1942, 222 US FISH WILDL SE