diff -r pario/web/bibtex/gibson:sdcr.bib pario/web/new/gibson:sdcr.bib
10c10,11
<   URL = {file://cs.duke.edu/pub/jsv/Papers/GVW96.storage_IO.ps.gz},
---
>   pages = {779--793},
>   URL = {ftp://ftp.cs.duke.edu/pub/jsv/Papers/GVW96.storage_IO.ps.gz},
18c19,21
<   thrusts to meet those goals.}
---
>   thrusts to meet those goals.},
>   comment = {A more reliable, but limited-access, URL is
>   http://www.acm.org/pubs/citations/journals/surveys/1996-28-4/p779-gibson/}