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_aRoss, W. A. _9100198 |
| 245 | _aRecomendations for the use of DDT against agricultural insect pests in 1947 | ||
| 260 |
_aOttawa : _bDepartment of Agriculture. Division of Entomology, _c1947 |
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| 300 | _a5 p. | ||
| 490 |
_aProcessed publications _v; 64 |
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| 590 |
_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0745 |
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_aCONVERSION _b10 _c20130109 _lUCH01 _h1329 |
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_aControl de plagas. _927595 |
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_aDDT (Insecticida) _931376 |
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_aProcessed publications _v; 64 _991830 |
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