000 00266nam a22001097a 4500
082 _a621.381 SWE'I
100 _aSWEARER, H. F
_974913
245 _aINSTALLING AND SERVICING ELECTRONIC PROTECTIVE SYSTEMS
260 _aUSA
_bTAB
_c1972
300 _a256P
942 _cBK
999 _c580411
_d580411