Nuclear resonance spectroscopy of the 31-yr isomer of Hf-178 Collins, C. B. ; Zoita, N. C. ; Davanloo, F. ; Yoda, Y. ; Uruga, T. ; Pouvesle, J. M. ; Popescu, I. I. Abstract Publication: Laser Physics Letters Pub Date: March 2005 DOI: 10.1002/lapl.200410154 Bibcode: 2005LaPhL...2..162C