au.\*:("OLDER WJ")
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A THEORETICAL ANALYSIS OF TELEPHONE DIAL PULSE SIGNALINGMICHALAK SJ; OLDER WJ; MUEHLE GW et al.1972; I.E.E.E. TRANS. COMMUNIC.; U.S.A.; DA. 1972; VOL. 20; NO 6; PP. 1073-1079; BIBL. 4 REF.Serial Issue
