Kaneko-Iwase, Mai (2021), Kaneko-Iwase, Mai (ed.), "Introduction", Nationality of Foundlings: Avoiding Statelessness Among Children of Unknown Parents Under International Nationality Law, Evidence-Based Approaches to Peace and Conflict Studies, vol. 5, Singapore: Springer, pp. 1–29, doi:10.1007/978-981-16-3005-7_1, ISBN978-981-16-3005-7, retrieved 6 January 2023