Norman, W. S. (1961). Absorption, distillation and cooling towers. John Wiley.
Dyfyniad Arddull ChicagoNorman, W. S. Absorption, Distillation and Cooling Towers. New York, USA: John Wiley, 1961.
Dyfyniad MLANorman, W. S. Absorption, Distillation and Cooling Towers. John Wiley, 1961.
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