"study number","owner","title","investigators","doi","time period"
"06900","NACDA","Dynamics of Population Aging in Economic Commission for Europe (ECE) Countries, Census Microdata Samples:  Romania, 1992","United Nations Economic Commission for
Europe. Population Activities Unit","http://dx.doi.org/10.3886/ICPSR06900.v1","1992"
"00150","ICPSR","Luxembourg Income Study (LIS)","Luxembourg Income Study, ASBL","http://dx.doi.org/10.3886/ICPSR00150.v1",""