ZOOLOGICAL RESEARCH, Volume 20, Issue 1,1999, Pages 26-31, doi:10.3321/j.issn:0254-5853.1999.01.006
ZOOLOGICAL RESEARCH, Volume 20, Issue 1,1999, Pages 60-61, doi:10.3321/j.issn:0254-5853.1999.01.014
ZOOLOGICAL RESEARCH, Volume 20, Issue 1,1999, Pages 1-6, doi:10.3321/j.issn:0254-5853.1999.01.001
ZOOLOGICAL RESEARCH, Volume 20, Issue 1,1999, Pages 36-40, doi:10.3321/j.issn:0254-5853.1999.01.008
ZOOLOGICAL RESEARCH, Volume 20, Issue 1,1999, Pages 46-49, doi:10.3321/j.issn:0254-5853.1999.01.010