000 00223nam a2200097Ia 4500
654 _aELEC
250 _a1st Ed.
245 _aScientific Medical &Tech.Book.Suppliment.1945-48.
260 _bkognet
_c1952
999 _c32669
_d32669
655 _aD-04
546 _aText in English
041 _aeng
300 _c23 cm.