TY  - BOOK
AU  - Kraus John D. 
AU  - Marhefka R J
TI  - Antennas and wave propagation
SN  - 13:978-0-07-067155-3 
U1  - 621.3824 
PY  - 2010///
CY  - New delhi
PB  -  Tata Mcgraw Hill 
KW  - Engineering
ER  -