000 00305nam a2200133Ia 4500
008 221001s1990 xx 000 0 eng d
082 _a339 RUF
100 _aRuffin, Roy J.
245 0 _aPrinciples of macroeconomics
250 _a4th ed.
260 _c1990
300 _axxxi, 464p.
942 _2ddc
_cBK
999 _c27998
_d27998