TY  - BOOK
AU  - Symes, R. F
AU  - Harding, R. R
ED  - Natural History Museum
TI  - Crystal & gem
SN  - 9781405320429
U1  - 548 SYM 
PY  - 2007///
CY  - London
PB  - Dorling Kindersley
KW  - Crystallography
N1  - Includes index
ER  -