000
00267nam a2200121Ia 4500
999
_c
17576
_d
17576
020
_a
0177710063
100
_a
Douglas Lewin
245
_a
Logical Design of switching Circuits
250
_a
2
260
_c
1980
_b
E.L.B.S
_a
Singapore
300
_a
xii+404
942
_c
BK