000
00288nam a2200121Ia 4500
008
220201s1979 xx 000 0 eng d
082
_b
SOR
100
_a
Sorensen Rohert James
245
0
_a
Desing accessibility
260
_a
New York
_b
Mc graw Hill
_c
1979
300
_a
264
942
_2
ddc
999
_c
23626
_d
23626