Untaken harvest : man's loss of crops from pest, weed and disease : an introductory study /
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| Format: | Bog |
| Sprog: | English |
| Udgivet: |
London :
Constable,
1952.
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| Fag: |
| Fysisk beskrivelse: | xii, 170 : Graphs, tables ; 22 cm. |
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