00413nam a2200157Ia 4500003000900000008004100009040001600050080001900066100002000085245004500105260002600150300001000176650002700186650002100213650002100234IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a681.846.7bSPR  aSpratt, H. G. M 0aMagnetic tape recordingcH. G. M. Spratt  aLondonbHeywoodc1958  a319p.  a Magnetic Recording   a Tape Recording  aNASA Thesaurus