TY  - RPRT
TI  - The NBS daylight availability database 
AU  - Treado, S
AU  - Gillette, G
AU  - Remmert, W
AU  - Bean, J
PY  - 1984
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 84-2859
DO  - 10.6028/NBS.IR.84-2859
ER  -