000 00251nam a2200109Ia 4500
008 190516s9999 xx 000 0 und d
100 _aKATZ J E AND AAKHUS M
245 0 _aPERPETUAL CONTACT
260 _c2002
_bCOMBRIDGE
300 _a391
942 _cBK
999 _c19594
_d19594