| 000 | 00464nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1973 xx 000 0 und d | ||
| 082 | _a338.133 11 S42E | ||
| 100 | _aSIDHU, Surjit S | ||
| 245 | 0 | _aEconomics of technical change in wheat production in Punjab (India) | |
| 260 |
_bSt. Paul, U.S. _c1973 |
||
| 300 | _a39L | ||
| 440 | _aStaff papers series | ||
| 650 | _aWHEAT | ||
| 653 | _aAGRICULTURE -- ECONOMIC ASPECTS | ||
| 653 | _aWHEAT | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c52994 _d52994 |
||