000 00287nam a2200121Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a629.8 N78 VER
100 _aVERMA S N
245 _aAUTOMATIC CONTROL SYSTEMS
260 _bKHANNA PUBLISHERS
_c1980
300 _a564
999 _c17953
_d17953