X4L - What does X4L stand for? The Free Dictionary
References in periodicals archive
Guide and Case Studies Report, COLOSSUS Project, JISC Exchange for Learning (X4L
Under ORCi, Two True won from the Sydney 38 Swish, skippered by Steve Proud from the Royal Sydney Yacht Squadron, with third place going to Tony Kirby's X4l Patrice Six.
Third went to Patrice Six, the X4l with owner/skipper Tony Kirby sailing his 25th Hobart race.