000 00293nam a2200121Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a339
100 _aAmacher Ryan C
245 0 _aPrinciples of macro Economics
260 _aillinois
_bsouth western pub
_c1980
942 _cPR
999 _c40034
_d40034