1. Encyclopaedia Britannica Online, http://www.britannica.com/EBchecked/topic/465998/
2. D N Poenaru (Ed.) Nuclear decay modes (Institute of Physics Publishing, Bristol, 1996)
3. D N Poenaru, W Greiner and M Ivaşcu, Nucl. Phys. A 502, 59c (1989)
4. D N Poenaru, W Greiner, M Ivaşcu and I Ivaşcu, in: Proc. International Symposium on Physics and Chemistry of Fission, Gaussig, 1988 edited by H Maerten and D Seeliger (Preprint Zfk-732, Rossendorf, 1990) pp. 212–215
5. D N Poenaru, M Ivaşcu, I Căta and W Greiner, in: Proc. International Conference 50th Anniversary of Nuclear Fission, Leningrad, 1989 edited by R Drapchinski (Nova Science Publishers Inc., Commack, NY, USA, 1994) Vol. 1, pp. 395–399