000 00314nam a2200121Ia 4500
008 240531s9999 xx 000 0 und d
020 _a978 0 231 05165 1
082 _a388 4 SCH
100 _aScharffer, K. H.
245 0 _aAccess for all.
260 _aNewyork
_b Columbia university press. 1980.
942 _cANF
999 _c325699
_d325699