害虫の総合的防除法に関する研究
ガイチュウ ノ ソウゴウテキ ボウジョホウ ニ カンスル ケンキュウ

The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.