000 00506nam a22001577a 4500
020 _a9781846288661
082 _a362.41 HER
100 _aHERSH, Marion A.
245 _aAssistive Technology for Visually Impared and Blind People /
_cMarion A. Hersh and Michael A. Johnson
260 _aLondon ,
_bSpringer Verlag London Limited ,
_cc2008
300 _axxvii, 725p . :
_bill . ;
500 _aInclude References and Index
650 _aAssistive Technology
700 _aJOHNSON, Michael A.
942 _cSR
999 _c6284
_d6284