Klapp, Orrin Edgar, 1915- Opening and closing : strategies of information adaptation in society / Orrin E. Klapp. - Cambridge ; New York : Cambridge University Press, 1978. - x, 226 p. : ill. ; 24 cm. ISBN: 052121923X : 0521293111 $13.95. $4.95 Dewey Class. No.: 301.14