000 00300nam a2200121Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a629.8
_bV522A
100 _aVerma S N
245 0 _aAutomatic control systems
_cVerma S N
260 _aDelhi
_bKhanna Publishers
_c1992
300 _a559
942 _cBK
999 _c1494
_d1494