000
00281nam a2200109Ia 4500
100
_a
William Keister
245
_a
Design of Switching Circuits
260
_c
1959
_a
London
_b
D.Van Nostrand Company
300
_a
xviii+556
700
_a
Alistair E Ritchie
_a
Seth H Washburn
942
_c
BK
999
_c
1037
_d
1037