/data-structures.lisp/1.7/Sat Mar  1 14:51:30 2008//
/doubly-linked-list.lisp/1.15/Sat Mar  1 14:51:30 2008//
/priority-queue.lisp/1.18/Sat Mar  1 14:51:30 2008//
/queue.lisp/1.8/Sat Mar  1 14:51:30 2008//
D
