000
00317nam a2200133Ia 4500
008
210901s1971 xx 000 0 eng d
082
_a
004 YOU
100
_a
Young, John.F.
245
0
_a
Information theory
260
_a
London
_b
Butterworth
_c
1971
300
_a
168
650
_a
Computer science
942
_2
ddc
_c
BK
999
_c
12411
_d
12411