Assar, M.
Guide to sanitation in natural disasters / M. Assar. - Geneva : World Health Organization, c 1971. - 135 p. : ill. ; 22 cm.
86 86
Disaster relief--Sanitary engineering--Disaster relief
361.5 / A72g
Guide to sanitation in natural disasters / M. Assar. - Geneva : World Health Organization, c 1971. - 135 p. : ill. ; 22 cm.
86 86
Disaster relief--Sanitary engineering--Disaster relief
361.5 / A72g