@article {3816, title = {Asymmetric mobility and emigration of highly skilled workers in Europe: The Portuguese case}, journal = {Studia Migracyjne {\textendash} Przegl{\k a}d Polonijny}, volume = {3}, year = {2018}, pages = {143{\textendash}164}, author = {R. Gomes and J. T. Lopes and L. Cerdeira and H. Vaz and P. Peixoto and B. G. Cabrito and M. L. Machado-Taylor and R. Brites and Tom{\'a}s Patroc{\'\i}nio and R. Ganga and S{\'\i}lvia Silva and J. P. Silva} }