TY  - RPRT
TI  - Field evaluation of SPT energy, equipment, and methods in Japan compared with the SPT in the United States 
AU  - Kovacs, William D
AU  - Salomone, Lawrence A
PY  - 1984
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 84-2910
DO  - 10.6028/NBS.IR.84-2910
ER  -