This is BibTeX, Version 0.99d (TeX Live 2015/Debian)
Capacity: max_strings=35307, hash_size=35307, hash_prime=30011
The top-level auxiliary file: rapport ESIWACE.aux
The style file: plain.bst
Database file #1: reference.bib
Warning--empty institution in ep:2018
You've used 3 entries,
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and the built_in function-call counts, 1094 in all, are:
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type$ -- 12
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write$ -- 35
(There was 1 warning)