(RF
 (15 15 (:TYPE-PRESCRIPTION NOT-INTEGERP-3B))
 (15 15 (:TYPE-PRESCRIPTION NOT-INTEGERP-2B))
 (15 15 (:TYPE-PRESCRIPTION NOT-INTEGERP-1B))
 )
(RF-BRLENS)
(FIND-CLOSEST-BY-RF-HELP)
(FIND-CLOSEST-BY-RF)
