@misc
{TN_libero_mab2,
author = {
David, Guy
National Bureau of Economic Research
Helmchen, Lorens A.
AND
Burns, Lawton R.
AND
Lindrooth, Richard
},
title = {
Do Hospitals Cross Subsidize?
},
publisher = {National Bureau of Economic Research},
year = {August 2011},
booktitle = {NBER working paper series ; no. w17300},
address = {
Cambridge, Mass
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}