WORLD Health Organization Butanols-Four isomers - Geneva World Health Organization 1987 - 141 p. - 32 p. 47 p. - Environmental health criteria 65 Environmental health criteria 66 Environmental health criteria 67 . Includes reference. ISBN: 9241542659 9241542667 9241542675 Subjects--Topical Terms: Hazardous materials Dewey Class. No.: 363.17 / WOR