Description
Item Description:"DSR 72817."
"Prepared under the support of the Subsecretaria de Recursos Hidricos, Ministerio de Obras y Servicios Publicos, Argentina."
Originally presented as D. H. Evans' thesis (M.S.), M.I.T., 1972.
Physical Description:197 pages : graphs, maps ; 28 cm.
Bibliography:Bibliography: pages 143-149.