ZOOLOGICAL RESEARCH, Volume 20, Issue 6,1999, Pages 421-425, doi:10.3321/j.issn:0254-5853.1999.06.005
ZOOLOGICAL RESEARCH, Volume 20, Issue 6,1999, Pages 415-420, doi:10.3321/j.issn:0254-5853.1999.06.004
ZOOLOGICAL RESEARCH, Volume 20, Issue 6,1999, Pages 446-450, doi:10.3321/j.issn:0254-5853.1999.06.010
ZOOLOGICAL RESEARCH, Volume 20, Issue 6,1999, Pages 475-476, doi:10.3321/j.issn:0254-5853.1999.06.017
ZOOLOGICAL RESEARCH, Volume 20, Issue 6,1999, Pages 440, doi:10.3321/j.issn:0254-5853.1999.06.020