This is BibTeX, Version 0.99cThe top-level auxiliary file: L:\public_html\cursos\ldt\a10s1\crono.aux
I found no \citation commands---while reading file L:\public_html\cursos\ldt\a10s1\crono.aux
I found no \bibdata command---while reading file L:\public_html\cursos\ldt\a10s1\crono.aux
I found no \bibstyle command---while reading file L:\public_html\cursos\ldt\a10s1\crono.aux
(There were 3 error messages)