000
00209 a2200097 4500
001
1116
100
_a
Stewart, W.E
245
_a
Magnetic recording techniques
260
_a
_b
Mcgrawhill
_c
090
_c
679
_d
679
942
_a
NUST-CAE
_c
M
_c
33366
999
_c
236189
_d
236189