* Ohly, Julius (1910). «Rubidium». Analysis, detection and commercial value of the rare metals. Mining Science Pub. Co.
+
* Ohly, Julius (1910). «Rubidium». Analysis, detection and commercial value of the rare metals. Mining Science Pub. Co
+
* Teertstra, David K.; Cerny, Petr; Hawthorne, Frank C.; Pier, Julie; Wang, Lu-Min; Ewing, Rodney C. (1998). «Rubicline, a new feldspar from San Piero in Campo, Elba, Italy». American Mineralogist 83 (11–12 Part 1): 1335-1339. Bibcode:1998AmMin..83.1335T. doi:10.2138/am-1998-11-1223