APA
Walker R., Perera M., . (1990). The BRESIM technique for measuring air filtration rates in large buildings. Garston,Watford: Building Research Establishment.
Chicago
Walker R.R, Perera M.D.A.E.S, . 1990. The BRESIM technique for measuring air filtration rates in large buildings. Garston,Watford: Building Research Establishment.
Harvard
Walker R., Perera M., . (1990). The BRESIM technique for measuring air filtration rates in large buildings. Garston,Watford: Building Research Establishment.
MLA
Walker R.R, Perera M.D.A.E.S, . The BRESIM technique for measuring air filtration rates in large buildings. Garston,Watford: Building Research Establishment. 1990.
