000 00429nam a22001457a 4500
008 160330b xxu||||| |||| 00| 0 eng d
020 _a0891181504
082 _a633.18 LAD
100 _aLadha, J. K.
110 _aHill, J. E.
245 _aImproving the Productivity and Sustainability of Rice -Wheat Systems : Issues and Impacts
260 _aUSA
_bAmerican Society of Agronomy
_c2003
300 _a231 pp
942 _2ddc
_cB
999 _c89257
_d89257