TY  - BOOK
AU  - Ouch,Leon W., x
AU  - x
TI  - Digital and analog communication systems: x
SN  - 8178083280
U1  - 001.54/C853d 
PY  - 2004///
CY  - Delhi
PB  - Pearson, Education
KW  - Communication
N1  - Includes
ER  -