Wynter, C. I.; Oliver, F. R.; Hill, Dana; Spijkerman, J. J.; Boyd-Bartlett, Y. P. (1991-08-01). "Short Communication: Mössbauer Effect 151Eu of in Europium Chelates". Radiochimica Acta55 (2): 111–112. doi:10.1524/ract.1991.55.2.111.
Wynter, C.I.; Oliver, F.W.; Davis, Alfred; Spijkerman, J.J.; Stadelmaier, H.; Wolfe, E.A. (1993). "Mössbauer effect of 151Eu in europium oxalate and fluorides". Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms76 (1–4): 352–353. doi:10.1016/0168-583X(93)95235-W. Bibcode: 1993NIMPB..76..352W.
C. I. Wynter, D. H. Ryan, S. P. Taneja, L. May, F. W. Oliver, D. E. Brown, M. Iwunzie (November 2005). "Mössbauer studies of 151Eu in europium oxalate,europium bissalen ammonium and europium benzoate". Hyperfine Interactions166 (1–4): 499–503. doi:10.1007/s10751-006-9315-4. Bibcode: 2005HyInt.166..499W.
Wynter, C.I.; Oliver, F.W.; Davis, Alfred; Spijkerman, J.J.; Stadelmaier, H.; Wolfe, E.A. (1993). "Mössbauer effect of 151Eu in europium oxalate and fluorides". Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms76 (1–4): 352–353. doi:10.1016/0168-583X(93)95235-W. Bibcode: 1993NIMPB..76..352W.
C. I. Wynter, D. H. Ryan, S. P. Taneja, L. May, F. W. Oliver, D. E. Brown, M. Iwunzie (November 2005). "Mössbauer studies of 151Eu in europium oxalate,europium bissalen ammonium and europium benzoate". Hyperfine Interactions166 (1–4): 499–503. doi:10.1007/s10751-006-9315-4. Bibcode: 2005HyInt.166..499W.