@article{795451, author = {R. Willson and C. Duncan and Jon Geist}, title = {Direct Measurement of Solar Luminosity Variation}, year = {1980}, number = {207}, month = {1980-01-11 00:01:00}, publisher = {Science}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=905578}, language = {en}, }