@Misc{BVMC:228812, author = {Arenal, Concepción}, title = {Observaciones sobre la educación física, intelectual y moral de Herbert Spencer}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 1999}, year = {1999}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0r9n1} }