author = { Benitez-Silva, Hugo Eren, Selcuk AND Carceles-Poveda, Eva },

title = { Effects of Legal and Unauthorized Immigration on the U.S. Social Security System },

publisher = {SSRN},

year = {[2011]},

abstract = {Nach Informationen von SSRN wurde die ursprüngliche Fassung des Dokuments September 1, 2011 erstellt},

booktitle = {Michigan Retirement Research Center Research Paper ; No. WP 2011-250},

address = { [S.l.] },

url = { http://slubdd.de/katalog?TN_libero_mab2 }