000 00316nam a2200133Ia 4500
008 180712s9999 xx 000 0 und d
020 _a1857430492
082 _a60
_bWOR
245 4 _aThe World of learning 1999
250 _a49th ed.
260 _aLondon
_bEuropa pub.
_c1998
300 _axv, 2080 p.
942 _cPR
999 _c45808
_d45808