s-Extremal Additive Codes over GF(4). - Evangeline P. Bautista; Philippe Gaborit; Jon-Lark Kim; Judy L. Walker (ISIT, 2006)

s-extremal additive F4 codes. - Evangeline P. Bautista; Philippe Gaborit; Jon-Lark Kim; Judy L. Walker (Adv. Math. Commun., 2007)