TY  - BOOK
AU  -  Hartshorn,Norman Holt
AU  -  Stuart Alan
TI  -  Practical optical crystallography  / 
U1  -  548.9 
PY  - 1969///
CY  -  London : 
PB  -  Edward Arnold, 
KW  -  Crystal optics
N1  -  Includes bibliographical references
ER  -