TY  - BOOK
AU  - Sinha, Umesh 
TI  - Principles of Communication Engineering
U1  - 621.38SIN 
PY  - 1997///
CY  - India
PB  - Satya Prakashan
UR  - http://books.google.com.pk/books/about/Principles_of_Communication_Engineering.html?id=Fnh4ngEACAAJ&redir_esc=y
ER  -