000 00256nam a2200109Ia 4500
008 160710s1989 xx 000 0 und d
100 _aCHESMOND,C.T.
245 _aBASIC CONTROL SYSTEM TECH.
260 _bE.L.B.S.
_c1989
300 _a362
942 _2ddc
_cBB
999 _c73430
_d73430