000 00338nam a2200109Ia 45e0
008 181001s1981 xx 000 0 und d
100 _aFrohr friedsich
245 0 _aIntroduction to electronic control Engg.
260 _aNewDelhi
_bWiley Eastern
_c1981
300 _a338
942 _2ddc
_cBK
999 _c3993
_d3993