Titles By: Yasumatsu, Keizo.| Titles By: Yasumatsu, Keizo. |
| Author | Title | Call Number | Status | |
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Yasumatsu, Keizo. | Sphecoidea of Micronesia. 4 Revision Of The Genus Pison Spinola : Part 1 (Hymenoptera : Sphecidae). | Pac.QL568.S7M58 1951 | IN |
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Yasumatsu, Keizo. | Vespoidea of Micronesia. | ||
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