Ayres, Rachel M. Analysis of wastewater for use in agriculture / Rachel M. Ayres ; D. Duncan Mara. - Génova, Italia World Health Organization 1996 - 31 p. 30 cm. Bibliografía: p. 30-31. ISBN: 92-4-154484-8 Subjects--Topical Terms: AGRICULTURA.AGUA.MICROBIOLOGIA. Dewey Class. No.: 576/Ay74a