CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 10, Issue 1,1999, Pages 57-59,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 10, Issue 1,1999, Pages 71-73,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 10, Issue 1,1999, Pages 1-6,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 10, Issue 1,1999, Pages 109-113,