TY  - BOOK
AU  -  Bennett,Allan Igo
ED  -  Westinghouse Research Laboratories, Pittsburgh.
TI  -  Crystals perfect and imperfect / 
U1  -  548 BEN 
PY  - 1965///]
CY  -  New York : 
PB  -  Walker, 
KW  -  Crystals
ER  -