TY - JOUR AU - Calvo, Ángel AU - Ediciones Universidad de Valladolid PY - 2024 SN - 2951-7176 SN - 1578-5777 UR - https://uvadoc.uva.es/handle/10324/73411 AB - This article addresses the concentration process that took place in Spanish radiotelegraphy during the second half of the 20th century. Specifically, it investigates how the structure of the upstream market affected the implementation of a new... LA - eng TI - La concentración empresarial en la tecnología de comunicación de masas del sur de Europa: ER -