| Varia-5932 |
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| KNIGHT, Harry H. | 21,00 € |
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| An investigation of the scarring of fruit caused by apple redbugs. Ithaca, New York, Cornell University, Agricultural Experiment Station, 1918. |
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| 4to. mayor; 22 pp., con 36 fotografías entre el texto. Cubiertas originales. |
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| Farming - Americana - Ussiana |
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