TY  - RPRT
TI  - Results and analysis of a round-robin test program for liquid-heating flat-plate solar collectors 
AU  - Streed, E R
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 975
DO  - 10.6028/NBS.TN.975
ER  -