author = { Gregora, I. AND Velickýa, B. AND Závětová, M. },

title = { Refractive Index of Crystalline and Amorphous GeS },

publisher = {Wiley},

isbn = {0370-1972},

isbn = {1521-3951},

keywords = { Condensed Matter Physics , Electronic, Optical and Magnetic Materials },

year = {1981},

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