000 00302nam a2200073Ia 4500
100 _aDhiman S.D. and
245 _aSymposium on sustatinability of rice wheat system in india Proceedings of the symposium 7-8 May 1994 Krnal
260 _bResearch Station kaul Rice Research station CCS Haryana Agricultura University
_c1995
082 _aDHI
999 _c337919
_d337919