TY  - BOOK
AU  - Willardson R K Ed.
AU  -  Beer A C Ed.
TI  - Semiconductors and semi metals
U1  - C6:212, K6.1 
PY  - 1966///
CY  - New York 
PB  - Academic press     
KW  - Semiconductor
N1  - Includes bibliography
ER  -