00417nam a2200121Ia 4500008004100000040001700041082002300058110003500081245010500116260005200221300000900273650001300282190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta380.59bI39N  aIndian Institute of Technology 0aNational system conference(NSC-86)bAdditional technical papers them agriculture and related systems  aNew DelhibIndian Institute of Technologyc1986  a41p,  aCOMMERCE