@misc
{TN_libero_mab2,
author = {
Katz, Lawrence F.
National Bureau of Economic Research
Murphy, Kevin M.
},
title = {
Changes in Relative Wages, 1963-1987
Supply and Demand Factors
},
publisher = {National Bureau of Economic Research},
year = {December 1991},
booktitle = {NBER working paper series ; no. w3927},
address = {
Cambridge, Mass
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}