Riegel's industrial chemistry / Emil Raymond,Riegel.and James Albert,Kent. Industrial chemistry. Riegel, Emil Raymond, 1882-1963. Kent, James Albert, 1922- ed. Chemistry, Technical. TP145 .R54 1962 660 RII Includes index. New York ; Reinhold Pub. Corp, c1962. c1962. 1962 Text xii, 963 p. : eng