000 00305nam a2200133Ia 4500
008 160316s1975 xxu||||| |||| 00| 0 eng d
020 _a
100 _aRichard G. Lipsey
245 _aIntroduction To Positive Economics
250 _a4th
260 _aLONDON
_bELBS
_c1975
300 _a827
700 _a
_a
999 _c12337
_d12337