Barwick, S.G.2015-08-312015-08-311994Geometriae Dedicata, 1994; 52(2):175-1800046-57551572-9168http://hdl.handle.net/2440/93997We define Buekenhout unitals in derivable translation planes of dimension 2 over their kernel and provide a characterization of these unitals. We use this result to improve the characterization of classical unitals given by Lefèvre-Percsy [13] and Faina and Korchmáros [7].en(C) 1994 Kluwer Academic Publishers.Journal article003000854410.1007/BF01263605A1994PN429000072-s2.0-0037734879100496Barwick, S.G. [0000-0001-9492-0323]