Economic aspects of treatment and disposal of certain industrial effluents - 3 Vols. - New York United Nations, Economic Commission for Europe 1967 - vi, 134 p. Vol. 1 vi, 132 p. Vol. 2 vi, 194 p. Vol. 3


Factory and trade waste
Water - Pollution

GP 628.54 / U6E2-I GP 628.54 / U6E2-II GP 628.54 / U6E2-III