TY  - RPRT
TI  - Information and guidelines for a proposed laboratory accreditation and product certification program for photovoltaic energy conversion systems 
AU  - Thomas, Douglas B
PY  - 1980
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 80-2028
DO  - 10.6028/NBS.IR.80-2028
ER  -