HECK, R. M., FARRAUTO, R. J., & GULATI, S. T. (2002). Catalytic air pollution control: Commercial technology .-- ed.2. John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)HECK, Ronald M., Robert J. FARRAUTO, agus Suresh T. GULATI. Catalytic Air Pollution Control: Commercial Technology .-- Ed.2. New York: John Wiley and Sons, 2002.
Lua MLA (9ú heag.)HECK, Ronald M., et al. Catalytic Air Pollution Control: Commercial Technology .-- Ed.2. John Wiley and Sons, 2002.
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