deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 545c727..a01b5ff 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {1971},  publisher = {New York Academic Press},  }  @article{Li_2012,  doi = {10.1364/ol.37.001625},  url = {http://dx.doi.org/10.1364/ol.37.001625},  year = {2012},  month = {may},  publisher = {The Optical Society},  volume = {37},  number = {10},  pages = {1625},  author = {Chunhui Li and G. Guan and Z. Huang and M. Johnstone and R. K. Wang},  title = {{Noncontact all-optical measurement of corneal elasticity}},  journal = {Optics Letters},  }