Showing 1 - 2 results of 2 for search '杨玉焕', query time: 0.01s Refine Results
  1. 1
    狼的行为学研究若干问题

    狼的行为学研究若干问题 by 杨玉焕

    Published 1994-01-01
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  2. 2
    霉变和酸败饲料对动物的毒性作用及其预防措施

    霉变和酸败饲料对动物的毒性作用及其预防措施 by 杨玉焕, 姜洪海, 李进祥

    Published 1995-01-01
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