CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 12, Issue 4,2001, Pages 527-531,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 12, Issue 4,2001, Pages 615-618,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 12, Issue 4,2001, Pages 619-622,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 12, Issue 4,2001, Pages 522-526,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 12, Issue 4,2001, Pages 630-632,