TY  - RPRT
TI  - Initial test results and test plan for differential temperature controllers used in solar energy systems 
AU  - Greenberg, J
PY  - 1986
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 86-3346
DO  - 10.6028/NBS.IR.86-3346
ER  -