Busnel, R. G. Whistled languages / R. G. Busnel [and] A. Classe - Berlin : Springer-Verlag, 1976 - 117 p. : ill. ; 25 cm. - Communication and cybernetics ; 13 . Includes bibliographical references and index ISBN: 0387077138 : USD 39.80 Subjects--Topical Terms: Whistle speech Dewey Class. No.: 419