On the doubly-even self-dual codes of length 96. - Radinka Dontcheva (IEEE Trans. Inf. Theory, 2002)

New extremal self-dual codes of length 62 and related extremal self-dual codes. - Radinka Dontcheva; Masaaki Harada (IEEE Trans. Inf. Theory, 2002)

Some Extremal Self-Dual Codes with an Automorphism of Order 7. - Radinka Dontcheva; Masaaki Harada (Appl. Algebra Eng. Commun. Comput., 2003)

Binary self-dual codes with automorphisms of composite order. - Radinka Dontcheva; A. J. van Zanten; Stefan M. Dodunekov (IEEE Trans. Inf. Theory, 2004)