000
00284nam a2200121Ia 4500
003
LDD
040
_c
LDD
245
0
_a
Ventures in policy science
260
_a
New York
_b
American elsevier publishing company
_c
1971
300
_a
xi,321p.
903
_b
Gifted by : insa
942
_2
ddc
_c
G
999
_c
11130
_d
11130