TY  - RPRT
TI  - Validation test of an earth contact heat transfer algorithm 
AU  - Walton, George N
PY  - 1985
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 85-3201
DO  - 10.6028/NBS.IR.85-3201
ER  -