Townsend, George Boris. PAL colour television / George Boris Townsend. - London : Cambridge Univ. Press, 1970. - vii, 227 p. : ill. - IEE monograph series ; 3 . - Institution of Electrical Engineers monograph series ; 3 . ISBN: 052107696X LCCN: 76096102 Subjects--Topical Terms: Color television.