Müller-Kuller, AndréAndréMüller-KullerMeixner, SonjaSonjaMeixnerSixt, MichaelaMichaelaSixt2019-09-192016-06-022016978-3-658-11994-2https://fis.uni-bamberg.de/handle/uniba/40454engChallenges in Gaining Access : The School Cohorts of the National Educational Panel Studybookpart