This is BibTeX, Version 0.99d (TeX Live 2013)
Capacity: max_strings=35307, hash_size=35307, hash_prime=30011
The top-level auxiliary file: relatorio.aux
A level-1 auxiliary file: ./epigrafe.aux
A level-1 auxiliary file: ./agradecimentos.aux
The style file: abnt-alf.bst
Reallocated singl_function (elt_size=4) to 100 items from 50.
Reallocated singl_function (elt_size=4) to 100 items from 50.
Reallocated singl_function (elt_size=4) to 100 items from 50.
Reallocated singl_function (elt_size=4) to 100 items from 50.
Reallocated wiz_functions (elt_size=4) to 6000 items from 3000.
Reallocated singl_function (elt_size=4) to 100 items from 50.
Reallocated singl_function (elt_size=4) to 100 items from 50.
Reallocated singl_function (elt_size=4) to 100 items from 50.
Database file #1: abnt-options.bib
Database file #2: ./reference.bib
You're missing a field name---line 139 of file ./reference.bib
 : 
 : %             title = {DOI Handbook},
(Error may have been on previous line)
I'm skipping whatever remains of this entry
Warning--string name "july" is undefined
--line 163 of file ./reference.bib
Reallocated wiz_functions (elt_size=4) to 9000 items from 6000.
Reallocated singl_function (elt_size=4) to 100 items from 50.
Reallocated glb_str_ptr (elt_size=4) to 20 items from 10.
Reallocated global_strs (elt_size=20001) to 20 items from 10.
Reallocated glb_str_end (elt_size=4) to 20 items from 10.
Warning--opção abnt-show-options passou para warn
Warning--opção abnt-verbatim-entry passou para no
Warning--opção abnt-url-package passou para url
+---------------------------------------------------------+
| Estilo bibliográfico abnt-alf.bst versão 1.45.2.1           |
| Em caso de dúvidas ou problemas com este estilo procure |
| http://abntex.codigolivre.org.br                        |
+---------------------------------------------------------+
You've used 22 entries,
            6478 wiz_defined-function locations,
            1280 strings with 12203 characters,
and the built_in function-call counts, 12662 in all, are:
= -- 1117
> -- 326
< -- 5
+ -- 176
- -- 100
* -- 827
:= -- 1649
add.period$ -- 80
call.type$ -- 23
change.case$ -- 154
chr.to.int$ -- 33
cite$ -- 14
duplicate$ -- 579
empty$ -- 1222
format.name$ -- 481
if$ -- 3253
int.to.chr$ -- 7
int.to.str$ -- 3
missing$ -- 322
newline$ -- 100
num.names$ -- 55
pop$ -- 359
preamble$ -- 1
purify$ -- 76
quote$ -- 0
skip$ -- 881
stack$ -- 1
substring$ -- 291
swap$ -- 218
text.length$ -- 0
text.prefix$ -- 0
top$ -- 0
type$ -- 0
warning$ -- 3
while$ -- 65
width$ -- 0
write$ -- 241
(There was 1 error message)