共 33 条
[2]
Anderson M.G., 1976, SUBMERGED AQUATIC VA
[3]
Baldassare G. A., 1980, PRAIRIE NAT, V12, P1
[4]
BERRIE AD, 1976, S BRIT ECOL SOC, V17, P328
[6]
Evans C.D., 1956, 32 US FISH WILDL SER
[7]
FENTON MM, 1970, THESIS U MANITOBA WI
[8]
FLANNAGAN JF, 1973, 354 FISH RES BOARD C
[9]
Gill J. L., 1978, Design and Analysis of Experiments in the Animal and Medical Sciences, V1
[10]
Hochbaum H.A., 1944, CANVASBACK PRAIRIE M