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