000 00328nam a2200121Ia 4500
008 240531s9999 xx 000 0 und d
020 _a978 0 7506 9685 2
082 _aBR 617 7 FRE
100 _aFreeman, P B.
245 4 _aThe art and practice of low vision
260 _aBoston
_b Butterworth- Heinemann
_c1997
942 _cABR
999 _c329821
_d329821