000 00252nam a2200121Ia 4500
008 161008s9999 xx 000 0 und d
100 _aSINGH R K
245 _aCONTROL SYSTEMS
250 _a1st
260 _bVAYU
_c2011
300 _a634
942 _cBK
999 _c42551
_d42551