Z. Peeters, D. Vos, I.L. ten Kate, F. Selch, C.A. van Sluis, D.Yu. Sorokin, G. Muijzer, H. Stan-Lotter, M.C.M. van Loosdrecht and P. Ehrenfreund
Advances in Space Research 46 ( 9 ): 1149 - 1155 , 2010