Tunable synchrotron radiation used to induce γ-emission from the 31 year isomer of 
C. B. Collins, N. C. Zoita, A. C. Rusu, M. C. Iosif, D. T. Camase, F. Davanloo, S. Emura, T. Uruga, R. Dussart, J. M. Pouvesle, C. A. Ur, I. I. Popescu, V. I. Kirischuk, N. V. Strilchuk and F. J. Agee
Europhys. Lett., 57 5 (2002) 677-682
DOI: https://doi.org/10.1209/epl/i2002-00516-1