@article{1314576, author = {B. Carol Johnson and Maritoni Litorja and Joel B. Fowler and Eric Shirley and James Butler and Robert Barnes}, title = {Results of aperture area comparisons for exo-atmospheric total solar irradiance measurements}, year = {2013}, month = {2013-11-13 00:11:00}, publisher = {Applied Optics}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=913537}, language = {en}, }