TY  - BOOK
AU  - Pratley,John B.
TI  - Electronic: principles and applications 
T2  - Revision and Self Assessment Series
SN  - 9780340692752
U1  - 621.381 23
PY  - 1998///
CY  - London
PB  - Arnold, 
KW  - Electronics
KW  - Semiconductor theory
ER  -