共 16 条
[11]
Gulland J.A., 1971, Adv ecol Res, V7, P115, DOI 10.1016/S0065-2504(08)60204-4
[12]
Hestenes MR., 1966, CALCULUS VARIATIONS
[13]
LESLIE PH, 1945, BIOMETRIKA, V33, P183, DOI 10.2307/2332297
[15]
SCOTT AT, 1967, EXTRACTION RESOURCES
[16]
SMITH VL, 1968, AM ECON REV, V58, P409