004210000a22001330004500060000800000082001200008100001800020100001500038245011900053260002900172260000900201300000800210650006900218  a100  a631 MIC  aMicahel,  A M  aOjha,  P P  aPrinciples of Agricultural engineering. V.I: Farm power, Farm machinery, Farm building and Pest harvest technology  aNew Delhi, Jain Brothers  c1966  a638  aAgricultural engineering/ Pest harvest technology/ Farm building