Canada. Environmental Protection Service
Soni O. Oyekan
G. Dan Pantos
Gerald U. Dinneen
François-César Le Tellier de Courtanvaux
George J. Antos
Kenneth Durant
Antoine Saunier
C. F. Mason
Charles Baron
Arthur Eugene Wood
Elton Brink Tucker
Latham Clarke
Unknown Author
American Chemical Society. Division of Petroleum Chemistry. Symposium
Petraq Xhaçka
Marian Woźniak
Charles Frederick Chandler
United States. Congress. House. Committee on Interstate and Foreign Commerce