\bib{1968/morrison}
\yr 1968
\by Donald R. Morrison
\paper PATRICIA: practical algorithm to retrieve information coded in alphanumeric
\jour Journal of the ACM
\issn 0004--5411
\vol 15
\pages 514--534
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1968/\allowbreak morrison
\endref