000
00206 a2200097 4500
001
18771
100
_a
Emery, G
245
_a
Electronic data processing
260
_a
_b
Pitman
_c
1968
090
_c
13917
_d
13917
942
_a
NUST-CAE
_c
M
_c
4355
999
_c
253844
_d
253844