deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 5973133..a0a4483 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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L. Fegaras. A @inproceedings{GOO,  author = {L. Fegaras},  title = {A  new heuristic for optimizing large queries. In DEXA, queries},  booktitle = {DEXA},  pages 726–735, 1998. = {726-735},  year = {1998}  }