author = { Louderback, George Davis AND Blasdale, Walter C. },

title = { Benitoite, a new California gem mineral },

publisher = {Univ. Press},

year = {1907 [erschienen 1906-1910]},

booktitle = {Bulletin of the Department of Geology ; Vol. 5, No. 9},

address = { Berkeley },

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