"July 1971"--Cover.Based on work done in cooperation with the Air Pollution Control Office of the Environmental Protection Agency.Bibliography: p. 18.Mode of access: Internet
Prepared for the Environmental Protection Agency.Bibliography: p. 37-38.Mode of access: Internet
Based on work done in cooperation with Bureau of Air Pollution Sciences, Environmental Protection Ag...
"April 1947."Cover title.Includes bibliographical references.Mode of access: Internet
Based on work done in cooperation with the National Air Pollution Control Administration of the U. S...
"February 1970"--Cover.Based on work done in cooperation with the American Petroleum Institute.Bibli...
"April 1971"--Cover.Work done under a cooperatve agreement between the Bureau of Mines and the Air P...
"September 1970"--Cover.Based on work done under a cooperative agreement with the National Air Pollu...
Subject category 07."April 1980"--Cover.Bibliography: p. 132-142.Mode of access: Internet
"August 1970"--Cover.Based on work done in cooperation with the University of Wyoming.Bibliography: ...
Based on work done in cooperation with the Air Pollution Control Office of the Environmental Protect...
Cover title.B-220184--P. [1].GAO/RCED-86-94."April 1986."Mode of access: Internet
Sequel to Fuel economy and emission control, published in 1972.Cover title: A report on automotive f...
"October 1942."Cover title.Includes bibliographical references.Mode of access: Internet
An expanded version of a work with the same title issued in 1972 by the agency's Office of Air Progr...
Mode of access: Internet.Vol. for 1955/62-1963/66 prepared by Division of Air Pollution (1955/62 for...
Prepared for the Environmental Protection Agency.Bibliography: p. 37-38.Mode of access: Internet
Based on work done in cooperation with Bureau of Air Pollution Sciences, Environmental Protection Ag...
"April 1947."Cover title.Includes bibliographical references.Mode of access: Internet
Based on work done in cooperation with the National Air Pollution Control Administration of the U. S...
"February 1970"--Cover.Based on work done in cooperation with the American Petroleum Institute.Bibli...
"April 1971"--Cover.Work done under a cooperatve agreement between the Bureau of Mines and the Air P...
"September 1970"--Cover.Based on work done under a cooperative agreement with the National Air Pollu...
Subject category 07."April 1980"--Cover.Bibliography: p. 132-142.Mode of access: Internet
"August 1970"--Cover.Based on work done in cooperation with the University of Wyoming.Bibliography: ...
Based on work done in cooperation with the Air Pollution Control Office of the Environmental Protect...
Cover title.B-220184--P. [1].GAO/RCED-86-94."April 1986."Mode of access: Internet
Sequel to Fuel economy and emission control, published in 1972.Cover title: A report on automotive f...
"October 1942."Cover title.Includes bibliographical references.Mode of access: Internet
An expanded version of a work with the same title issued in 1972 by the agency's Office of Air Progr...
Mode of access: Internet.Vol. for 1955/62-1963/66 prepared by Division of Air Pollution (1955/62 for...
Prepared for the Environmental Protection Agency.Bibliography: p. 37-38.Mode of access: Internet
Based on work done in cooperation with Bureau of Air Pollution Sciences, Environmental Protection Ag...
"April 1947."Cover title.Includes bibliographical references.Mode of access: Internet