author = { Kordig, Carl R. },

title = { Observational Invariance },

publisher = {Cambridge University Press (CUP)},

isbn = {0031-8248},

isbn = {1539-767X},

keywords = { History and Philosophy of Science , Philosophy , History },

year = {1973},

url = { http://slubdd.de/katalog?TN_libero_mab2 }