This is BibTeX, Version 0.99c (Web2C 7.5.6)
The top-level auxiliary file: better-v15.aux
The style file: IEEEtran.bst
Reallocated wiz_functions (elt_size=4) to 6000 items from 3000.
Database file #1: refs.bib
-- IEEEtran.bst version 1.11 (2003/04/02) by Michael Shell.
-- http://www.ctan.org/tex-archive/macros/latex/contrib/supported/IEEEtran/
-- See the "IEEEtran_bst_HOWTO.pdf" manual for usage information.
Warning--empty journal in endres03

Done.
You've used 54 entries,
            3975 wiz_defined-function locations,
            1115 strings with 16103 characters,
and the built_in function-call counts, 34855 in all, are:
= -- 2847
> -- 701
< -- 253
+ -- 392
- -- 120
* -- 1604
:= -- 5501
add.period$ -- 109
call.type$ -- 54
change.case$ -- 61
chr.to.int$ -- 558
cite$ -- 55
duplicate$ -- 2642
empty$ -- 2988
format.name$ -- 155
if$ -- 8016
int.to.chr$ -- 0
int.to.str$ -- 54
missing$ -- 454
newline$ -- 186
num.names$ -- 54
pop$ -- 1014
preamble$ -- 1
purify$ -- 0
quote$ -- 2
skip$ -- 2808
stack$ -- 0
substring$ -- 1393
swap$ -- 2035
text.length$ -- 67
text.prefix$ -- 0
top$ -- 5
type$ -- 0
warning$ -- 1
while$ -- 139
width$ -- 56
write$ -- 530
(There was 1 warning)