共 10 条
[3]
BARDNER R, 1972, REP ROTHAMSTED EXP 2, P165
[4]
BAWDEN FC, 1969, REPORT ROTHAMSTED 2
[6]
DOBSON RONALD M., 1961, BULL ENT RES, V51, P803, DOI 10.1017/S0007485300057680
[7]
JOHNSON C G, 1969, Rothamsted Experimental Station Report, P141
[8]
Jones M. G., 1971, Bull Ent Res, V61, P55, DOI 10.1017/S000748530005745X
[10]
RYAN MF, 1967, THESIS U LONDON