TY  - BOOK
AU  - GUPTA Usha
TI  - Valuation of urban air pollution: " A case study of Kanpur Nagar, Uttar Pradesh, India."
T2  - "University of Delhi, Business Economics (Deptt. of-), Thesis.. Thesis, University of Delhi, Business Economics (Deptt. of-"
U1  - "X:(G:55).252LF, P7/Th" 
PY  - 2007///
CY  - "Delhi,"
PB  - "University of Delhi,     "
ER  -