@misc
{TN_libero_mab2,
author = {
Lundberg, Shelly
National Bureau of Economic Research
Pollak, Robert A.
},
title = {
Cohabitation and the Uneven Retreat from Marriage in the U.S., 1950-2010
},
publisher = {National Bureau of Economic Research},
year = {September 2013},
booktitle = {NBER working paper series ; no. w19413},
address = {
Cambridge, Mass
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}