TY  - RPRT
TI  - Solar energy systems - Standards for absorber materials 
AU  - Masters, Larry W
AU  - Seiler, James F
AU  - Embree, Edward J
AU  - Roberts, Willard E
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 81-2232
DO  - 10.6028/NBS.IR.81-2232
ER  -