333Bibliografía recomendada Molnár, T. (2014), «Regulating Local Border Traffic in the European Union», en Szabó,  M., Láncos, P.L. y Varga, R. (eds.), Hungarian Yearbook of international Law and Euro - pean law 2013 , La Haya, Eleven International, pp. 451-474. Apátridas ACNUR (2012), Guidelines on Statelessness No. 4: Ensuring Every Child’s Right to  Acquire a Nationality through Articles 1-4 of the 1961 Convention on the Reduction  of Statelessness . ACNUR (2014), Handbook on the protection of stateless persons . ACNUR (2020), Guidelines on Statelessness No. 5: Loss and Deprivation of Nationa - lity under Articles 5-9 of the 1961 Convention on the Reduction of Statelessness . Red Europea sobre Apatridia, Índice de Apatridia .