TY - BOOK T1 - Crystal Structures of Minerals A1 - Bragg, Lawrence A2 - Claringbull, G.F LA - English PP - London PB - G. Bell and Sons YR - 1965 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.3392 OP - 409 KW - Optica ER -