000 00405pam a2200133a 44500
008 140414b1957 xxu||||| |||| 00| 0 eng d
082 _a629.84
_bMCH
245 _aControl Engineering, V.4;1957
_cedited by William E. Vannah
260 _aNEWYORK
_bMcGRAW-HILL PUBLICATION
_c1957
650 _aSTATIC SWITCHING SYSTEMS
690 _aENVIRONMENTAL ENGINEERING
700 _aWilliam E. Vannah
906 _a39573
999 _c37510
_d37510