000 | cam a22 a 4500 | ||
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999 |
_c38516 _d38516 |
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003 | BD-DhIDS | ||
005 | 20180410021204.0 | ||
008 | 180410t1962 -us||||| |||| 00| 0 eng d | ||
040 |
_aBD-DhIDS _cBD-DhIDS _dBD-DhIDS |
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041 | _aEng | ||
082 |
_a633.101 Us _bJOH |
||
100 | 1 | _aJohnson, David Gale | |
245 | 1 | 0 |
_aGrain yields and the American food supply: an analysis of yield changes and possibilities / _cDavid Gale Johnson, Robert L. Gustafson |
260 |
_aChicago : _bChicago University Press, _c1962 |
||
300 |
_axii, 146p. : _bill. ; _c23 cm. |
||
504 | _aIncludes bibliographical references and index. | ||
650 | 0 | 4 | _aSeeds |
650 | 0 | 4 | _aCrops and climate |
650 | 0 | 4 | _aCrop yield |
650 | 0 | 4 | _aGrain |
700 | 1 | _aGustafson, Robert L. | |
942 |
_2ddc _cBK |