Rys, P. Fundamentals of the chemistry and application of dyes/ P. Rys and H. Zollinger - London: Wiley-Inter science, c1972 - ix, 196 p.; 24 cm. Includes index ISBN: 0471747955 $ 17.50 Subjects--Topical Terms: Dyes and dyeingAzo dyesBleachingColoring matter Dewey Class. No.: 667.2