Raúl Carlos Praderi
Central Public Health Engineering Research Institute (India)
Robert A. Lauderdale
Hellmut R. Fleckseder
Stephen B. Nielson
Jorge Aguirre
John-Nan Chieu
United States. Department of Housing and Urban Development.
Alberta. Dept. of Public Health
Unknown Author
Ma. Auxiliadora Casterad Seral
G. Dumestre
E. Joe Middlebrooks
Francis Rougerie
Anderson, P. W.
Mauro Lenzi
Natale Emilio Baldaccini
M. Gamrasni