BibTex format
@article{Krivova:2011:10.1016/j.jastp.2009.11.013,
author = {Krivova, NA and Solanki, SK and Unruh, YC},
doi = {10.1016/j.jastp.2009.11.013},
journal = {JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS},
pages = {223--234},
title = {Towards a long-term record of solar total and spectral irradiance},
url = {http://dx.doi.org/10.1016/j.jastp.2009.11.013},
volume = {73},
year = {2011}
}