000 00395cam a2200157ua 4500
041 _aeng
_h
082 _a621.3
_bCHI/BA
100 _aChild, I H .
245 _aBasic principles in electrical engineering /
_cI H Child.
_hTextual Documents
250 _a1 /
_b.
260 _aLondon :
_bE and F N spon ltd ,
_c1954.
300 _a112 ; .
504 _a
942 _cBK
999 _c8796
_d8796