TY - BOOK ED - United States TI - Report from the National Academy of Sciences: hearing before the Subcommittee on Environmental Pollution of the Committee on Public Works, United States Senate, Ninety-third Congress, second session, September 6, 1974 AV - KF26 .P836 1974c U1 - 344/.73/0463 PY - 1974/// CY - Washington PB - U.S. Govt. Print. Off. KW - Air KW - Pollution KW - Law and legislation KW - United States KW - Local KW - Automobile exhaustgas KW - Automobiles KW - Motors KW - Exhaust gas N1 - "Serial no. 93-H56." ER -