00759nam0-22002651i-450-99000398232040332120031125140139.0000398232FED01000398232(Aleph)000398232FED0100039823220031125d1972----km-y0itay50------bapolPrace instytute gospodark wodnejProceedings of water Economics Research InstituteWarsawaWKL19723 v. (116 p.)25 cmBibl. Ing. SanitariaAMBIENTE CARATTERISTICHEITUNINARICAUNIMARCBK99000398232040332115 G/1-12DINIDDINIDPrace instytute gospodark wodnej473586UNINA