LEADER 00000nam 2200229 a 4500 001 0167416 003 UkHlHU 007 t 008 002411 0 1977 000 eng 040 UkHlHU 050 4 |fq|aTK 7872 F5 M6 245 00 Modern crystal and mechanical filters. 260 New York :|bIEEE Press,|c1977. 300 455p. 650 0 Electronics. 700 0 Sheahan, Desmond F. 700 0 Johnson, Robert A. 946 020 absent -- ISBN check required 946 650 |a Subfields only, containing single words only. No 600s present -- Check for possible Geac subject headings
|