deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index f0b2841..a3c18b4 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Technical Report: History of Synchrotron Radiation in Astrophysics}},  journal = {Synchrotron Radiation News},  }  @article{Krawczynski_2013,  doi = {10.1007/s11467-013-0310-3},  url = {http://dx.doi.org/10.1007/s11467-013-0310-3},  year = {2013},  month = {apr},  publisher = {Springer Science $\mathplus$ Business Media},  volume = {8},  number = {6},  pages = {609--629},  author = {Henric Krawczynski and Ezequiel Treister},  title = {{Active galactic nuclei {\textemdash} the physics of individual sources and the cosmic history of formation and evolution}},  journal = {Frontiers of Physics},  }