TY  - BOOK
AU  - M.S.Sethi
TI  - Global air pollution: problems for the future 
SN  - 8171692206
U1  - 363.7392 21
PY  - 1992///
CY  - New Delhi
PB  - Commonwealth Pub.
KW  - Air
KW  - Pollution
KW  - Environmental aspects
KW  - Air quality
N1  - Includes bibliographical references and index
ER  -