000
00256nam a2200109Ia 4500
008
220201s1972 xx 000 0 eng d
100
_a
Westcott, CG
245
0
_a
Tape recorders how they work
260
_b
Howard & Co
_c
1972
300
_a
219
942
_2
ddc
999
_c
82168
_d
82168