Assar, M Guide to sanitation in natural disasters [by]/ M. Assar - Geneva, Switzerland: World Health Organization, 1971 - 135p.: ill.; 24cm Includes bibliographical references Subjects--Topical Terms: DisastersSanitation LC Class. No.: RA567 .A86 Dewey Class. No.: 363.34 ASS National Library of Medicine Call No.: WA 670 A844 1971