This is BibTeX, Version 0.99c (Web2C 7.5.6)
The top-level auxiliary file: main.aux
The style file: abbrv.bst
Database file #1: references.bib
You're missing a field name---line 47 of file references.bib
 : 
 : %isbn = {0321295358},
(Error may have been on previous line)
I'm skipping whatever remains of this entry
You've used 11 entries,
            2118 wiz_defined-function locations,
            563 strings with 5310 characters,
and the built_in function-call counts, 2840 in all, are:
= -- 278
> -- 111
< -- 0
+ -- 46
- -- 34
* -- 145
:= -- 496
add.period$ -- 40
call.type$ -- 11
change.case$ -- 47
chr.to.int$ -- 0
cite$ -- 11
duplicate$ -- 104
empty$ -- 255
format.name$ -- 34
if$ -- 602
int.to.chr$ -- 0
int.to.str$ -- 11
missing$ -- 9
newline$ -- 65
num.names$ -- 22
pop$ -- 71
preamble$ -- 1
purify$ -- 39
quote$ -- 0
skip$ -- 71
stack$ -- 0
substring$ -- 117
swap$ -- 11
text.length$ -- 0
text.prefix$ -- 0
top$ -- 0
type$ -- 38
warning$ -- 0
while$ -- 26
width$ -- 13
write$ -- 132
(There was 1 error message)