Los cuadernos azul y marrón
Ludwig Wittgenstein ; prefacio de Rush Rhees.
- 1. ed., reimpresión.
- Madrid Editorial Tecnos 1976.
- 230 p. ill. 24 cm.
- Estructura y función, .
Translation of Das blaue Buch. Preliminary studies for the "Philosophical Investigations," generally known as the Blue and Brown Books.