Blohm, Hans. Pebbles to computers : the thread / Hans Blohm, Stafford Beer, David Suzuki. - Toronto : Oxford University Press, 1986. - 112 p. : col. ill. ; 23 x 27 cm. Includes Bibliography: ISBN: 0195405366 LCCN: 87126362 Subjects--Topical Terms: Computers--History.Numeration--History. LC Class. No.: QA76.17 / .B57 1986 Dewey Class. No.: 001.64 / BLP 1986