Clean water for all : a seminar at Habitat the United Nations Conference on Human Settlements, and in preparation for the United Nations Water Conference, Mar del Plata, Argentina, March, 1977 / Henrik Beer, chairman ... [et al.] ; prologue by Barbara Ward ; with French and Spanish summaries.
Publisher:
International Institute for Environment and Development,
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.