. . "Polish Chemical Society." . . "Ścieki uzdatnianie konferencje." . . "Water Purification Congresses." . . "Kongress." . . "International Conference on Physicochemical Methods for Water and Wastewater Treatment, 3d, Lublin, 1981." . . . "International conference on physicochemical methods for water and wastewater treatment (03 : 1981 : Lublin, Pologne)" . . . "TECHNOLOGY & ENGINEERING Environmental General." . . "Aigües residuals Depuració Congressos." . . "Federation of European Chemical Societies." . . "Water." . . "Eaux usées Épuration Congrès." . . "Abwasserreinigung." . . "Eau Épuration Congrès." . . "International Conference on Physicochemical Methods for Water and Wastewater Treatment (3rd : 1981 : Lublin, Polònia)" . . . "Sewage Purification Congresses." . . "Maria Curie-Sklodowska University (Lublin, Polònia)" . . "Woda uzdatnianie konferencje." . . . . . . . . . . . . . . . . . "Physiochemical methods for water and wastewater treatment : proceedings of the 3. internat. conference, Lublin, Poland, 21-25 September 1981" . . . . . . . . "Conference proceedings"@en . . "Conference papers and proceedings" . . . . "Physicochemical methods for water and wastewater treatment : proceedings of the Third International Conference, Lublin, Poland, 21-25 September 1981" . "Physicochemical methods for water and wastewater treatment proceedings of the third international conference, Lublin, Poland, 21-25 September 1981 : organized under sponsorship of the Federation of European Chemical Societies by the Polish Chemical Society and the Maria Curie-Sklodowska University" . "Physicochemical methods for water and wastewater treatment proceedings of the third international conference, Lublin, Poland, 21-25 September 1981 : organized under sponsorship of the Federation of European Chemical Societies by the Polish Chemical Society and the Maria Curie-Sklodowska University"@en . . "Physicochemical methods for water and wastewater treatment : proceedings of the third international conference, Lublin, Poland, 21-25 September 1981" . . "Physicochemical methods for water and wastewater treatment : proceedings of the third international conference, Lublin, Poland, 21-25 September 1981 : organized under sponsorship of the Federation of European Chemical Societies by the Polish Chemical Society and the Maria Curie-Sklodowska University" . "Physicochemical Methods for Water and Wastewater Treatment." . . . "Electronic books"@en . . . . "Physicochemical methods for water and wastewater treatment : proceedings of the third international conference, Lubin, Poland, 21-25 September 1981" . . "Electronic books" . "Physiochemical methods for water and wastewater treatment"@en . . . . . "Physicochemical methods for water and wastewater treatment proceedings of the third international conference; Lublin, 21-25 September 1981" . . . . . "Physicochemical methods for water and wastewater treatment; proceedings" . . . . . . . . . . . . . . . . . . . "Physicochemical methods for water and wastewater treatment : proceedings of the third international conference; Lublin, 21-25 September 1981" . . . . "Physicochemical Methods for Water and Wastewater Treatment" . "Physicochemical methods for water and wastewater treatment : proceedings of the 3. International Conference, Lublin, 21 - 25 Sept. 1981, org. under spons. of the Federation of European Chemical Societies, by the Polish Chemical Society and the Maria Curie-Sklodowska Univ" . "Llibres electrònics" . "Sewage." . . "Aigua Anàlisi Congressos." . . "Wasserreinigung." . . "Physiochemical Methods for Water and Wastewater Treatment (2, 1979 bis 3, 1981)" . . . "Maria Curie-Sklodowska University." . .