Witteman, W. G.; Giorgi, A. L.; Vier, D. T. (1960). "The Preparation and Identification of Some Intermetallic Compounds of Polonium". The Journal of Physical Chemistry (American Chemical Society (ACS)) 64 (4): 434–440. doi:10.1021/j100833a014. பன்னாட்டுத் தர தொடர் எண்:0022-3654.
Shi, Liwei; Wu, Ling; Duan, Yifeng; Hao, Lanzhong; Hu, Jing; Yang, Xianqing; Tang, Gang (2012). "Band structure, phase transition, phonon and elastic instabilities in calcium polonide under pressure: A first-principles study". Solid State Communications (Elsevier BV) 152 (22): 2058–2062. doi:10.1016/j.ssc.2012.08.028. பன்னாட்டுத் தர தொடர் எண்:0038-1098. Bibcode: 2012SSCom.152.2058S.
Witteman, W. G.; Giorgi, A. L.; Vier, D. T. (1960). "The Preparation and Identification of Some Intermetallic Compounds of Polonium". The Journal of Physical Chemistry (American Chemical Society (ACS)) 64 (4): 434–440. doi:10.1021/j100833a014. பன்னாட்டுத் தர தொடர் எண்:0022-3654.
Shi, Liwei; Wu, Ling; Duan, Yifeng; Hao, Lanzhong; Hu, Jing; Yang, Xianqing; Tang, Gang (2012). "Band structure, phase transition, phonon and elastic instabilities in calcium polonide under pressure: A first-principles study". Solid State Communications (Elsevier BV) 152 (22): 2058–2062. doi:10.1016/j.ssc.2012.08.028. பன்னாட்டுத் தர தொடர் எண்:0038-1098. Bibcode: 2012SSCom.152.2058S.