共 77 条
[12]
Cameron RP, 2006, NAT AREA J, V26, P403, DOI 10.3375/0885-8608(2006)26[403:PAWFIE]2.0.CO
[13]
2
[15]
CARD DH, 1982, PHOTOGRAMM ENG REM S, V48, P431
[16]
Cochran W. G., 1977, SAMPLING TECHNIQUES
[19]
Cristea V., 1993, FITOSOCIOLOGIE VEGET