000
00323nam a2200133Ia 4500
001
6154
005
20261006003923.0
008
120911s9999 xx 000 0 und d
082
_a
658.4032 CHU
100
_a
CHURCHMAN,C WEST
_9
7167
245
_a
THE SYSTEMS APPROACH
260
_a
DELTA BOOK
650
_a
SYSTEMS ANALYSIS
_9
7168
999
_c
6154
_d
6154