TY  - BOOK
AU  - Das,Annapurna
AU  - Das,Sisirk.
TI  - Microwave engineering
SN  - 0074635778 
U1  - 621.3813 
PY  - 1994///
CY  - New Delhi
PB  - Tata Mcgraw Hill
KW  - Applied physics
ER  -