006330000a22002290004500500001700000650001800017650000800035650002200043650001300065650002600078650002900104082002400133518001100157530000800168100002300176245008800199260002100287502006100308260000900369041000800378300001700386  aBibliography  aAir pollution  aAir  aPollution sources  aVehicles  aEnvironmental effects  aEnvironmental protection  a367.7392bD4997scD  a971113  aDis  aDevkota, Bodha Rar  aA Study on air pollution with special reference to the vehicles in Kathmandu Valley  aKathmandu, Nepal  aDissertationbDegree in Management, Tribhuvan University  c1995  aEng  a104p.billus