Goodfellow, H. D., & Tahti, E. Industrial ventilation design guidebook.
Lua i Stíl Chicago (17ú heag.)Goodfellow, Howard D., agus Esko Tahti. Industrial Ventilation Design Guidebook.
Lua MLA (8ú heag.)Goodfellow, Howard D., agus Esko Tahti. Industrial Ventilation Design Guidebook.
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