Torrebadella Flix, Xavier and Javier Olivera Beltrán. “One hundred key books of bibliographic repertoire in the process of legitimization and institutionalization of physical education and sport in Spain between 1807 and 1938”. Revista General de Información y Documentación, vol. 22, vol. 22, 2012, pp. 119-68, doi: https://doi.org/10.5209/rev_RGID.2012.v22.39669.