TY  - BOOK
AU  - Rao,M.N
AU  - Rao,H V N
TI  - Air pollution
SN  - 0074518712
U1  - 363.7392 22
PY  - 1989///[Reprinted 2004, 2001]
CY  - New Delhi
PB  - Tata McGraw-Hill Pub.
KW  - Air
KW  - Pollution
N1  - Includes bibliographical references and index
ER  -