deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index f2688d7..d75d1c9 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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@misc{nreal,  tittle title  = {Reference Solar Spectral Irradiance: Air Mass 1.5}, url = {http://rredc.nrel.gov/solar/spectra/am1.5/},  publisher author  = {National Renewable Energy Laboratory}, year = {2015}  }