Agarwal, A., Sharma, Anju and Roychowdary Anumita 1996. Slow Murder - The Deadly Story of Vehicular Pollution in India. Centre for Science and Environment, New Delhi.
Dayal, H.V. and Nandini, S.N. 2000. Vehicular emission and ambient air quality in Bangalore city. Poll. Res., 19(2): 205-209.
Gopinathan, C. and Muthusubramanian, P. 1998. Predicted CO pollution from automobiles in Madurai. Indian J. Environ. Protection, 18 (5): 374-376.
GVAQI 1997. Greater Vancourver RegionalDistrict Air Quality and Source Control Department, Burnaby, Bc, Canada.
Joshi, G. and Mishra, A. 1998. The ambient air quality at Indore, Madhya Pradesh. Poll. Res., 17(1): 21-24.
Gupta, G.K. and Shukla, R. 2004. Air pollutants in town area, Auriya district (UP), India. Poll. Res., 23(1): 193-197.
Hemavathi, C. and Jagannath, S. 2004.Ambient air quality inMysore city: A study with reference to vehicular exhaust. Poll. Res., 23 (1): 173-177.
Jacobs,M.B. and Hoccheiser, S. 1958. Continuous sampling and ultramicro determination of nitrogen dioxide in air. Anal. Chem., 30: 426-428.
Mudri, S.S., Venkat Rao, D., Rama Rao, K.G., Rama Prasad, R.V., Ravi Shankar,V., Pampattiwar,V.L.,Agarwal,A.L. andMurthy,Y.S. 1986. Ambient air quality atVishakapatnam -Acase study. Indian J. Environ. Health, 28(4): 284-295.
West, P.W and Gaeke, G.C. 1956. Fixation of sulphur dioxide as disulfitomercurate (II) and subsequent colorimetric estimation. Anal. Chem., 28: 1816-1823.
Jonathan, P. and Ojha, K.G. 2004. Ambient air quality of I.J.O. residential area, New Delhi with reference to sulphur dioxide. Poll. Res., 23 (1): 93-96.