Further developments in optical disc technology and applications / R. Barrett. Barrett, R. Optical storage devices. Videodiscs. TA1635 .B37 1984 621.38 19 BAF Bibliography: p. 31. Boston Spa, Wetherby, West Yorkshire : British Library : Distributed by Publications Section, British Library Lending Division, c1984. c1984. 1984 Text vii, 35 p. : eng Library and information research report, 0263-1709 ; 27