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Internal combustion engines and air pollution

By Obert, Edward F.. New York Intext Educational Publishers 1973 . xiii,740p. 24cm..

By Obert, Edward F.. Scranton International Textbook 1950 . xv, 596 p.

By Obert, Edward F.. Scranton International Textbook 1968 . xiii, 736p.

By Obert, Edward F.. New York Harper & Row Publishers 1973 . xiii, 740p. 24cm..

By Obert, Edward F.. New York Intext Educational Publishers 1973 . xiii, 740 p. 0352045600