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Cita Chicago (17th ed.)American Chemical Society. Division of Colloid and Surface Chemistry, N.Y.) American Chemical Society. Meeting (202nd : 1991 : New York, N.Y.) Chemical Congress of North America (4th : 1991 : New York, John E. Sawyer, Ronald G. Silver, i Jerry C. Summers. Catalytic Control of Air Pollution: Mobile and Stationary Sources. Washington: American Chemical Society, 1992.
Cita MLA (9th ed.)American Chemical Society. Division of Colloid and Surface Chemistry, et al. Catalytic Control of Air Pollution: Mobile and Stationary Sources. American Chemical Society, 1992.