共 107 条
[11]
FACTORS TO BE CONSIDERED IN REFINING A GENERAL-MODEL OF ECONOMIC THRESHOLD
[J].
ENTOMOPHAGA,
1982, 27
:99-103
[12]
Chiarappa L, 1971, CROP LOSS ASSESSMENT
[13]
CHIARAPPA L, 1981, CROP LOSS ASSESSME S, V3
[14]
CLOSE RC, 1978, P WORKSHOP LINCOLN C
[16]
COLLINS GS, 1983, AGR ECON RES, V35, P1
[17]
Conway G. R, 1984, PEST PATHOGEN CONTRO, V1st
[18]
COOK RJ, 1985, PLANT DIS, V69, P95
[19]
CRAMER H. H., 1967, PFLANZENSCHUTZ NACHR BAYER, V20, P1
[20]
De Datta S.K., 1978, HDB METHODOLOGY INTE