TY  - BOOK
AU  - Obert, Edward F.
TI  - Internal combustion engins and air pollution
SN  - 0700221832
U1  - 631.3 22
PY  - 1973///
CY  - New York
PB  - Intext Educational Pub.
KW  - Agricultural Engineering
KW  - air pollution
N1  - Includes index
ER  -