000 00276nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aJohn D Ryder
245 0 _aEngineering Electronics
260 _bMcgraw -hill
_c1957
300 _a690p
650 _aPhysics
942 _cBK
999 _c32823
_d32823