Single -crystal structure determination and infrared reflectivity study of the 'Li IND.2'CaHf'F IND.8' scheelite - Ayala, Alejandro Pedro; Paschoal, C. W. A.; Gesland, J. Y.; Ellena, Javier; Castellano, Eduardo Ernesto; Moreira, R. L. (Journal of Physics-Condensed Matter, 2002)