Ball, SimeonBlokhuis, AartO'Keefe, Christine M.2006-06-192006-06-191999Designs, Codes and Cryptography, 1999; 17(1-2):237-2520925-1022http://hdl.handle.net/2440/3528enOn unitals with many Baer sublinesJournal article001999009010.1023/A:1026487412101