Wigner, E.P. . Dispersion Relations and Their Connection with Causality, Course 29 / Textual Documents E.P. Wigner. - 1st ed. / - New York : Academic Press , 1964. - xvi, 256p. : ill. ; 24cm . Subjects--Index Terms: Physics Dispersion Relations PG-Physics Dewey Class. No.: 539.81 / W 639 P