Porges, J. (1946). Handbook of heating ventilating and air conditioning: Useful tables and data arranged in a manner convenient for ready reference (2nd ed.). London: George Newnes.
Παραπομπή Chicago StylePorges, John. Handbook of Heating Ventilating and Air Conditioning: Useful Tables and Data Arranged in a Manner Convenient for Ready Reference. 2nd ed. London: George Newnes, 1946.
Παραπομπή MLAPorges, John. Handbook of Heating Ventilating and Air Conditioning: Useful Tables and Data Arranged in a Manner Convenient for Ready Reference. 2nd ed. London: George Newnes, 1946.
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