CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 10, Issue 5,1999, Pages 599-602,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 10, Issue 5,1999, Pages 518-520,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 10, Issue 5,1999, Pages 556-558,
CHINESE JOURNAL OF APPLIED ECOLOGY, Volume 10, Issue 5,1999, Pages 612-614,