Mössbauer spectroscopy of pyroxenes from the SNC-Meteorite Nakhla Vistisen, L. ; Roy-Poulsen, N. O. ; Jensen, H. G. ; Knudsen, J. M. ; Madsen, M. B. ; Olsen, M. Abstract Publication: Meteoritics Pub Date: December 1990 Bibcode: 1990Metic..25S.417V