000 00403nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a629.8
_bW335
100 _aWatkins B O
245 _aIntroduction to control systems
260 _aLondon
_bCollier-Macmillan
_c1969
300 _axiv,625p.
650 _aAutomatic control engineering
942 _cBK
999 _c63002
_d63002