000 003200000a22001330004500
008 140223b1955 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _aX J5
082 _aX J5
100 _aZeuthen F
245 _aEconomic thoery and method
260 _aLondon
_bLongmans
_c1955
650 _aInternational Economics
999 _c55413
_d55413