TY  - RPRT
TI  - Clutter models for subsurface electromagnetic applications 
AU  - Hill, David A
PY  - 1989
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 89-3909
DO  - 10.6028/NIST.IR.89-3909
ER  -