Zhdanov, Boris and Knize, Randall. "Alkali lasers for magnetic resonance imaging" Open Physics, vol. 8, no. 2, 2010, pp. 184-193. https://doi.org/10.2478/s11534-009-0073-1
Zhdanov, B. and Knize, R. (2010) Alkali lasers for magnetic resonance imaging. Open Physics, Vol. 8 (Issue 2), pp. 184-193. https://doi.org/10.2478/s11534-009-0073-1