000 00270nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aHanson (JL)
245 0 _aText book of economics
260 _bAllen & Unifin
260 _c1977
365 _b20.25
942 _cBK
999 _c202218
_d202218