000 003220000a22001330004500
008 140223b1964 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _aX K4
082 _aX K4
100 _aBlaug Mark
_d1927
245 _aEconomic theory in retrospect
260 _aLondon
_bHeinemann
_c1964
650 _aEconometrics
999 _c55557
_d55557