TY  - BOOK
AU  - Balanis, Constantine A
TI  - MODERN ANTENNA HANDBOOK
SN  - 978047003634
U1  - 621..3824 
PY  - 2008///
CY  - Canada
PB  - A John Wiley & sons,inc.,Publications
KW  - radian and steradian
KW  - radiation power densityfield regions
ER  -