000 00236nam a2200097Ia 4500
008 220201s1992 xx 000 0 eng d
100 _aVERMA (SN)
245 0 _aAUTOMATIC CONTROL SYSTEM
260 _bKHANNA PUB. DELHI
_c1992
942 _2ddc
999 _c95447
_d95447