000
00282nam a2200121Ia 4500
008
220201s1969 xx 000 0 eng d
082
_a
621.381
100
_a
Deutsch, Ralph
245
0
_a
System analysis techniques
260
_b
Prentice Hall
_c
1969
300
_a
472
942
_2
ddc
999
_c
78242
_d
78242