000 00308 a2200121 4500
080 _a330.18
_bB 384 E
245 1 _aEconomic models
_bAn exposition
_cby E.F. Beach
260 _aNew York
_bJohn Wiley & Sons
_c1957
650 _aEconomic Models
100 1 _aBeach, E.F.
_d
300 _a227 pp.
901 _a127715
999 _c61522
_d61522