Powell, Sheppard T.
Water conditioning for industry / Sheppard T. Powell. - 1st ed. - New York : McGraw-Hill, 1954. - 548 p. : ill.
Water--Purification
Water conditioning for industry / Sheppard T. Powell. - 1st ed. - New York : McGraw-Hill, 1954. - 548 p. : ill.
Water--Purification