共 23 条
- [1] [Anonymous], 1977, SAMPLING TECHNIQUES
- [2] [Anonymous], 1979, SAMPLING DESIGN STAT
- [3] ON MEASURING BIRD HABITAT - INFLUENCE OF OBSERVER VARIABILITY AND SAMPLE-SIZE [J]. CONDOR, 1987, 89 (02): : 241 - 251
- [5] CONNER RN, 1981, AUK, V98, P562
- [7] James F.C., 1985, Current Ornithology, V2, P1
- [8] Johnson D.H., 1981, U S Forest Service General Technical Report RM, P53
- [9] KERLINGER FN, 1986, F BEHAVIORAL RES
- [10] KISH L, 1987, STATISTICAL DESIGN R