000 00336pam a2200145a 44500
082 _a621.38
_bW46e2
100 _aWellman, William Rufus
245 1 _aELEMENTARY INDUSTRIAL ELECTRONICS
250 _a2nd
260 _aToronto
_bVan Nostrand
_c1957
300 _a445
650 _aElectronics
964 _gCIRC
997 _a7304 s C
999 _c416951
_d416951