CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 2,2002, Pages 243-246,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 2,2002, Pages 221-223,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 2,2002, Pages 163-166,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 2,2002, Pages 137-140,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 13, Issue 2,2002, Pages 233-238,