TY  - RPRT
TI  - Dielectric mixing rules for background test soils 
AU  - Geyer, Richard G
PY  - 1988
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 88-3095
DO  - 10.6028/NBS.IR.88-3095
ER  -