共 35 条
- [4] BREWER JK, 1975, AM STAT, V29, P171
- [5] BRYANT AM, 1971, P NZ GRASSL ASS, V33, P839
- [6] CAMPBELL N A, 1973, Australian Journal of Experimental Agriculture and Animal Husbandry, V13, P263, DOI 10.1071/EA9730263
- [7] Cochran W. G., 1963, SAMPLING TECHNIQUES
- [8] Cochran WilliamGemmell., 1963, PREIS S BIOM J, V2nd ed., DOI [DOI 10.1002/BIMJ.19650070312, 10.1002/bimj.19650070312]
- [9] CURRIE PO, 1973, J BRIT GRASSLAND SOC, V28, P155
- [10] DAUBENMIRE R., 1959, NORTHWEST SCI, V33, P43