TY  - BOOK
AU  - Valkenburg, Van
TI  - Reference Data for Engineers: Radio, Electronic, Computer and Communications
SN  - 0672227533
U1  - 621.38 VAL 
PY  - 1993///
CY  - Indiana, USA
PB  - SAMS
KW  - Telecommunication
KW  - Electronics
ER  -