1. Maintaining space temperature and humidity in the digital switch environment;Saman,1994
2. Ultrasonic humidification is ultra-efficient;Turpin;Engineered Systems,2003
3. Ultrasonic humidification: system integration, energy, and indoor air quality engineering issues;Mumma;ASHRAE Transactions,1997
4. Humidification side by side;Kjelgaard;Engineered Systems,2002
5. Airside economizers and adiabatic humidification: a better choice;Kjelgaard;Engineered Systems,2003