- Author: Lopatnikov D.
- Language: Spanish
- Author: Filippini S.
- Language: Spanish
- Author: Мырзатаев Е.
- Language: Spanish-Kazakh
- Author: Xunta de Galicia.
- Language: Spanish-English
- Author: Cabrero P.A. Iglesias H.A. (eds.)
- Language: Spanish
- Author: Эйдус Б.Х.
- Language: Spanish-Русский
- Author: Оболенская Ю.Л.
- Language: Spanish
- Author: Костылева Е.А. Шашков Ю.А.
- Language: Spanish
- Author: Casasayas Alberto Ribas.
- Language: Spanish