Search Results Use the search box below to revise your search, or start a new search. Studies (3) Variables Publications Your query returned 3 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Immigration and Intergenerational Mobility in Metropolitan Los Angeles (IIMMLA), 2004 (ICPSR 22627) Rumbaut, Rubén G.; Bean, Frank D.; Chávez, Leo R.; et al. 2. Longitudinal Study of the Second Generation in Spain (ILSEG) (ICPSR 36286) Portes, Alejandro; Aparicio, Rosa; Haller, William; et al. 3. The Mexican American Study Project II (MASP II), 1998-2000 (ICPSR 28481) Ortiz, Vilma; Telles, Edward E.