ISSN-L: 1698-6989
DOI: 10.33231/ihe

Agradecemos especialmente la ayuda de Carmen Rodríguez Jiménez-Alfaro y Esther Sánchez Sánchez, al personal del Archivo Histórico Provincial de Valladolid, así como a los editores y revisores anónimos de la revista por sus comentarios.
Agradecemos el apoyo financiero del proyecto del Ministerio de Ciencia e Innovación, Los condicionantes del cambio tecnológico en España, 1950-2000: formación e investigación (PID2021-128653NB-I00) y de la Unidad de Investigación Consolidada Historia de la Industria y los Sistemas de Ciencia y Tecnología (UIC333, https://hiscyt.usal.es/).
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