1. Estimation of combined exposure factor due to the impact of different transport related environmental pollutants air quality and noise level in Delhi city. Issue 4 (5th October 2015) Authors: Kumar, Ravindra; Madhu, Errampalli; Maan, Anil; Sinha, Sanjeev; Akhtar, Nasim Journal: World journal of science, technology and sustainable development Issue: Volume 12:Issue 4(2015) Page Start: 269 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗