@techreport{Simón2011,
author = {Simón, H. and Ramos, R. and Sanromà, E. },
title= {Occupational Mobility of Immigrants in a Low Skilled Economy: The Spanish Case},
year = {2011},
publisher = {IZA},
address = {Bonn},
number = {IZA discussion paper 5581 March},
}