TY  - BOOK
AU  - Helszajn, Joseph
TI  - Microwave Engineering Passive Active and Non Reciprocal Circuits 
SN  - 0071126414
U1  - 621.3813 
PY  - 1992///
CY  - Singapore : 
PB  - McGraw-Hill, 
KW  - Ferrite Devices
KW  - Microwave Antennas
KW  - Microwave Circuits
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-07-112641-4.pdf
ER  -