000 00433nam a22001817a 4500
015 _a3628
080 _a330.1
_bLIP
100 _aLipsey, R. G.
245 _aAn introduction to positive economics
250 _aThird
260 _aEnglish Language Book Society
_c1974
300 _a740p.
852 _a1R 3-3
999 _c2054
_d2054