TY  - BOOK
AU  - Kelly, A.
AU  - Groves, G. W.
TI  - CRYSTALLOGRAPHY AND CRYSTAL DEFECTS
U1  - 548.8 
PY  - 1970///
CY  - London
PB  - Longmans
KW  - Crystals -- Defects
KW  - Crystallography
ER  -