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1
The identification of freshwater snails found in Hitomnog River, Dagami, Leyte
Wydane 1982Preliminary pages only
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2
A quantitative survey of freshwater snails of Jaro, Leyte
Wydane 1979Table of contents only
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3
A preliminary survey of freshwater snails of Ormoc City, Leyte
Wydane 1979Preliminary pages only
Praca dyplomowa