kw.\*:("ZLATNI PIASATZI,1976")
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LONG-TERM PLANNING OF WATER MANAGEMENT. PROCEEDINGS OF THE SEMINAR, 1976, ZLATNI PIASATZI (BULGARIA)1978; WATER DEVELOPMENT AND MANAGEMENT. PROCEEDINGS OF THE UNITED NATIONS WATER CONFERENCE/1977/MAR DEL PLATA; GBR; OXFORD: PERGAMON; DA. 1978; NO 3; PP. 1173-1260; BIBL. 2 P.Conference Paper
