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| 007 | ta | ||
| 008 | 220923b |||||||| |||| 00| 0 eng d | ||
| 037 | _cGeneral Book | ||
| 040 |
_aRTL _cRTL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _aX9(M71).235X.N8, M2 | ||
| 100 |
_aWalker T S _9333508 |
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| 245 | 0 |
_aRisk and the choice of cropping systems _b Hybrid s |
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| 260 |
_aPatancheru _bInternational Crops Research Institute for I the Semi-Arid Tropics _c1982 |
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| 300 |
_a17p. _ccm. |
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| 490 | _aEconomics Program Progress Report. 43 | ||
| 650 |
_aCotton Industry _9229873 |
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| 700 | _a Subbarao K V | ||
| 942 |
_hX9(M71).235X.N8, M2 _cGB _2CC |
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| 999 |
_c648635 _d648635 |
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