000			00298nam a2200109 4500
245			_a555 timer and its applications, _cM. C. Sharma
100			_aSharma, M.. C.
260			_aNew Delhi _bBPB Publications _c[19-?]
300			_a43p.:ill.; 22cm.
082			_a681.118028 _bSHA
650			_aAutomatic Timers
999			_c50502 _d50502