deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 2abe951..eab0721 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
@book{aki2002quantitative,  title = {{Quantitative seismology}}, Seismology}},  author = {Aki, Keiiti and Richards, Paul G},  year = {2002},  }  @book{aki1980quantitative,  title = {{Quantitative seismology}}, Seismology}},  author = {Aki, Keiiti and Richards, Paul G},  year = {1980},  publisher = {Freeman San Francisco}, 
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@book{scruby1990laser,  title = {{Laser ultrasonics techniques Ultrasonics Techniques  and applications}}, Applications}},  author = {Scruby, Christopher B and Drain, Leslie E},  year = {1990},  publisher = {CRC Press}, 
...
}  @article{undefined,  title = {{Laser ultrasonics techniques and applications}},  author = {Scruby, Christopher B and Drain, Leslie E},  year = {1990},  publisher = {CRC Press},  }  @article{8352621,  title = {{The Q-switched Nd:YAG laser effectively treats tattoos. A controlled, dose-response study.}},  date = {1993 Aug}, 
...
@inproceedings{lucas1981iterative,  title = {{An iterative image registration technique with an application to stereo vision.}},  author = {Lucas, Bruce D and Kanade, Takeo},  booktitle = {IJCAI},  volume = {81}, {Proceedings of Imaging Understanding Workshop},  pages = {674--679}, {121--130},  year = {1981},  }