TIMING OF PARTURITION OF BLACK BEARS (URSUS-AMERICANUS) IN NORTHEASTERN PENNSYLVANIA

被引：23

作者：

ALT, GL

机构：

来源：

关键词：

D O I：

10.2307/1380562

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

引用

页码：305 / 307

页数：3

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