“The Secret Police As a Means of Social Engineering in the Polish People’s Republic: The University Enrolment Process in 1947-1956”. CIAN-Revista De Historia De Las Universidades, vol. 18, no. 2, Dec. 2015, pp. 237-59, https://e-revistas.uc3m.es/index.php/CIAN/article/view/2904.