TY  - BOOK
AU  - Barker,T.V.
TI  - The study of crystals: a general introduction
PY  - 1930///
CY  - London
PB  - Murby
KW  - MineralogÃ­a
KW  - Cristal
KW  - CristalografÃ­a
KW  - Libro
ER  -