TY  - BOOK
AU  - Roulston  u,David J.
TI  - Bipolar Semiconductor Devices 
SN  - 007100887X
U1  - 621.381522 ROU 
PY  - 1990///
CY  - New York
PB  - Mc Graw HIll
KW  - Engineering Technology
KW  - Technology
N1  - Includes Index
ER  -