Michael, H.P.

Michael, H.P., 1963. Water development in less developed areas : transactions of an international conference held in Berlin from 17 to 21 May 1963, (Schriften der Deutschen Stiftung für Entwicklungsländer Band 2) Berlin, Germany: Duncker & Humblot. Available at: https://fr.ircwash.org/sites/default/files/71DSE63-9821.pdf.