Valence photoionization of small alkaline earth atoms endohedrally confined in C60 M.H. Javani, M.R. McCreary, A.B. Patel, M.E. Madjet, H.S. Chakraborty and S.T. Manson Eur. Phys. J. D, 66 7 (2012) 189 Published online: 20 July 2012 DOI: 10.1140/epjd/e2012-30081-9