@book{52233,
	author = {Erbach, Brigitte, and Polster, Ute,},
	title = {Gimnasia todo el año /},
	publisher = {Editorial Stadium,},
	year = {1985.},
	address = {Buenos Aires :},
	note = {Incluye índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/195865}
}