00496nam a2200157Ia 4500008004100000082001800041100009100059245001600150260004700166300000800213650003300221650002000254653002300274653001400297700002700311170901s1991    xx            000 0 und d  a363.731bA35P  aAll India Seminar on Yantrikiya Vikas Karyo ka Paryavaran Par Prabhav, Devember, 1991. 0aProceedings  aBhopalbThe Institution of Engineersc1991  a355  aSocial problems and services  aSocial sciences  aMechanical aspects  aPollution  aTomar, Sadachari Singh