000
00204 a2200097 4500
001
23273
100
_a
Lytel, A
245
_a
ABC,s of Boolean algebra
260
_a
_b
Howard
_c
1967
090
_c
15781
_d
15781
942
_a
NUST-CAE
_c
M
_c
6426
999
_c
258346
_d
258346