000 00283nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a5.13
100 _aR.W.SEBASTA
245 2 _aA CONCEPT PROGRAMMING LANGUAGE
260 _bADDISON -WESLEY
365 _b310.00
942 _cBTECH
999 _c129660
_d129660