000
00273nam a2200121Ia 4500
008
250909s9999||||xx |||||||||||||| ||und||
035
_a
4335
082
_a
770
100
_a
Pelerson Bryan
245
0
_a
Understanding expasure
260
_b
Simmen Rohin
_c
1990
942
_c
BK
999
_c
22506
_d
22506