共 21 条
[1]
ALEX J. F., 1964, WEED RES, V4, P308, DOI 10.1111/j.1365-3180.1964.tb00305.x
[2]
ALEX JA, 1966, CAN AGR RES BR EXP F, P68
[4]
ALEX JF, 1967, RES REP NAT WEED COM, P286
[5]
BARNSTON J, 1969, JEUNE SCIENTIFIQUE, V7, P219
[6]
BARNSTON J, 1959, CAN NAT, V4, P100
[7]
Chepil W. S., 1946, SCI AGRIC [OTTAWA], V26, P307
[8]
DAWSON J. H., 1962, WEEDS, V10, P136, DOI 10.2307/4040665
[9]
FRIESEN G., 1960, CANADIAN JOUR PLANT SCI, V40, P457
[10]
GROH H, 1948, 5 CAN DEP AGR REP