1. W. M. Vatavuk, Chem. Eng. 97, 126–130 (1990)
2. Editor, Chemical Engineering Equipment Indices, McGraw-Hill, New York, 2001.
3. B. G. Liptak, (ed.), Environmental Engineers’ Handbook, Volume II: Air Pollution, Chilton, Radnor, PA, 1974
4. ACGIH. Industrial Ventilation, 16th ed. American Conference of Government Industrial Hygienists, Lansing, MI, 1980.
5. E. Aul, Personal communication to Barry Walker of Radian Corporation, 1992.