00381nam a2200109Ia 4500082002500000100006200025245012400087260003100211300000600242500000500248700001800253  a338.1730954bIn59.SS  aInstitute of Agricultural Research Statistics, New Delhi.  aSample surveys for assessment of high yielding varieties programme; annual report 1973-74bcBy S. K. Raheja and others  aNew DelhibThe Auth.c1976  a   a  aRaheja, S. K.