000 00353nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aSpencer
245 0 _aComputers and Information Processing
250 _a-
260 _aColumbus
260 _bCharles E. Merill
260 _c0
650 _aComputers and Information Processing
942 _cREF
999 _c12683
_d12683