000 00278nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aHANSEN (A H)
245 0 _aBusiness cycles and National Income
260 _cW.W.Nortan & co
365 _b0
650 _aNIL
942 _cBK
999 _c97975
_d97975