TY  - BOOK
AU  - Wittgenstein,Ludwig
TI  - Preliminary studies for the philosophical investigations: generaly known as the blue and brown books 
AV  - B 3376.W563 P613.1964
PY  - 1964///, c1958
CY  - Oxford
PB  - B. Blackwell
KW  - Lenguaje y lenguas
KW  - Filosofía
N1  - Colección Dr. Gabriel García Rojas
ER  -