Calvo Calvo Ángel. Telecommunications and spillovers. Telephone equipment industry in Spain between the captive market and liberalization, 1953-1963. RHI-IHR [Internet]. 2017Dec.21 [cited 2024Jul.13];20(45):145-74. Available from: https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/20790