Sudharsanam, R. Sulfur and oxygen atom bridged push-pull organic molecules for quadratic nonlinear optics Synthesis and structure-hyperpolarizability relationship by R. Sudharsanam - Bangalore : Indian Institute of Science, 2001. - xii, 145 p. : col. ill. Thesis Includes bibliographical references PhD;2001;Inorganic and physical Chemistry Dewey Class. No.: 547.66 / P01