共 20 条
[1]
[Anonymous], 1995, BIOL REP US DEP INTE, DOI DOI 10.3368/ER.14.1.95
[2]
BAIG MN, 1972, THESIS U CALGARY CAL
[3]
Barbour MG, 1988, N AM TERRESTRIAL VEG, P131
[5]
*FED GEOGR DAT COM, 1997, VEG INF CLASS STAND
[10]
MILLER KR, 1984, NATL PARKS CONSERVAT, P20