TY  - RPRT
TI  - Near-field gain of pyramidal horns from 18 to 40 GHz 
AU  - Hill, David A
AU  - Ehret, Richard L
PY  - 1989
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 89-3924
DO  - 10.6028/NIST.IR.89-3924
ER  -