000 00327nam a2200145Ia 4500
008 180710s9999 xx 000 0 und d
020 _a200470
082 _a330
_bPEN
100 _aPEN. J.
245 _aModern economics
260 _aMiddlesex
_bPenguin Books
_c1965
300 _a265 p.
650 _aEconomics
942 _cS
999 _c71787
_d71787