1. Ambient cryogenic vaporizers: their limits due to frost formation;Bernert,1986
2. Atmospheric Icing, ANSI/ASME B31.3, Chemical Plant and Petroleum Refinery Piping, ASME, New York, USA (1984 Edition) par 301.4.3, p. 12
3. Cyclic Effects, ANSI/ASME B31.3, ASME, New York, USA (1984 Edition) par 301.10, p. 13
4. Further remarks on the limitations of ambient vaporizers in continuous operation;Bernert,1988