00305nam a2200109Ia 4500008004100000040003800041100001700079245001700096260004900113300001700162653001600179211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aTinbergen, J 0aEconometrics  bGEORGE ALLEN AND UNWIN LIMITEDaLONDONc1953  aXII,258 P p.  aMATHEMATICS