000 00332nam a2200133Ia 4500
005 20260413100606.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aLipsey Richard G
245 3 _aAn Introduction to positive Eco
260 _bWeidenfed ELBS
_c1989
300 _a808
942 _cGB
999 _c2481
_d2481