Lalgudi Venkatraman, V., Petremand, Y., Affolderbach, C., Mileti, G., De Rooij, N., & Shea, H. (2012). Microfabricated chip-scale rubidium plasma light source for miniature atomic clocks. IIEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 59(3), 448–456. https://doi.org/10.1109/TUFFC.2012.2214