000
00238nam a2200097Ia 4500
008
130706s9999 xx 000 0 und d
050
0
0
_a
R QP 461 .S 72 1980
245
0
0
_a
Sound and hearing
300
_a
p.
942
_2
lcc
_k
R QP 461 .S 72 1980
999
_c
12552
_d
12552