1. American National Standard for Laboratory Ventilation (ANSI/AIHA Z9.5-2003),2003
2. Environmental Control for Animals & Plants,2007
3. Integrating ventilated caging equipment with facility HVAC and monitoring systems;Bilecki;Lab. Anim.,2001
4. Observations of Ammonia Generation in Laboratory Animal Quarters;Briel,1971
5. Guidelines on Laboratory Animal Facilities: Characteristics, Design and Development,2003