http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Lev Vigotsky ; traducción, Judith Viaplana.
This work was never published during the author's life.
Vygotskiĭ, L. S. (Lev Semenovich), 1896-1934.
Tres Cantos, Madrid : Ediciones Akal, [2004]