000 00252cam a22001097a 4500
008 180718b1975 xxu||||| |||| 00| 0 eng d
100 _aPEP
245 _aPEP
_cPEP
260 _a
_bPEP
_c1975
300 _a28P.
650 _aPolitical and Economic Planning.
999 _c375931
_d375931