000 00295nam a22001097a 4500
082 _a621.381 DUG'B
100 _aDUGGER, W,PATRICK, D,SUESS, A
_975583
245 _aCOMMUNICATIONS UNIT 4 BASIC ELECTRONICS SYSTEMS TECHNOLOGY
260 _aCALIFORNIA
_bBRUCE
_c1973
300 _a181P
942 _cBK
999 _c580978
_d580978