TY  - BOOK
AU  - Perkins,Henry C.
TI  - Air pollution
SN  - 0070493022
AV  - TD883 .P45 1974
U1  - 628.5/3 
PY  - 1974///]
CY  - New York
PB  - McGraw-Hill
KW  - Air
KW  - Pollution
KW  - Local
N1  - Includes bibliographies
ER  -