Scientific Publications
| Miscellaneous Reports of the Institute for Nature Study | date of publication | |
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| Miscellaneous Reports of the Institute for Nature Study No.5 | June 1974 | |
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| N. Hisai, T. Sugawara and N. Tanaka: | P.1 | |
| Report on the qualities of water at ponds and springs in the National Park for Nature Study |  |
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| Toichi Sugawara: | P.9 | |
| Studies on the injured leaves of Pharbitis nil Choisy and abnormal defoliation of several of major species trees by air pollution in the National Park for Nature Study | |
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| Nobuo Sakurai: | P.21 | |
| On Japanese great tit and varied tit in breeding season | |
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