@book{ Solr-kronoby.64916, title = {Sininen ja ruskea kirja : filosofisten tutkimusten esitutkimuksia (1933-1935)}, series = {Taskutieto}, author = {Wittgenstein, Ludwig}, editor = {Nyman, Heikki}, address = {Porvoo ; Hki ; Juva}, publisher = {WSOY}, year = {1980}, }