000 003100000a22001330004500
008 140223b1961 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _aX K1
082 _aX K1
100 _aKeiser Norman F
245 _aIntroductory economics
260 _aNew York
_bWiley
_c1961
650 _aEconometrics
999 _c55532
_d55532