Demand for platinum to reduce pollution from automobile exhausts
Series: United States. Bureau of Mines. Information circular 8565; Information circular (United States. Bureau of Mines) -- 8565
Publisher: U. S. Dept. of the Interior; Bureau of Mines
Published: 1972
Place of publication: Washington
Language: eng
Number of pages: 32
Subjects: Platinum; Motor vehicles; Pollution control devices; Automobiles; Motors; Exhaust gas; Air; Pollution