000 00551pab a2200193 454500
008 180718b2007 xxu||||| |||| 00| 0 eng d
100 _aShergill, H.S.
245 _aSustainability of wheat-rice production in Punjab: a re-examination
260 _c2007
300 _ap.81-85.
362 _a29 Dec
650 _aRice - India - Punjab
650 _aWheat - India - Punjab
650 _aAgricultural production - India - Punjab
650 _aAgricultural production
773 _aEconomic and Political Weekly
908 _aN
909 _a76729
999 _c76729
_d76729