000 00342nam a2200133Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
040 _cLDD
245 0 _aProQuest Scince Journals[Computer File]
260 _bproquest information and learning
_c2004
440 _aVol:PSJ_04_7
901 _a1306
_b12-03-1998
942 _2ddc
_cBK
999 _c19596
_d19596