Models for homotopy n-types in diagram categories. - Antonio R. Garzón; Jesús G. Miranda (Appl. Categorical Struct., 1996)

Homotopy Classification of Categorical Torsors. - Antonio Martínez Cegarra; Antonio R. Garzón (Appl. Categorical Struct., 2001)

Obstruction Theory for Extensions of Categorical Groups. - Pilar Carrasco; Antonio R. Garzón (Appl. Categorical Struct., 2004)

Equivariant Extensions of Categorical Groups. - Antonio R. Garzón; A. del Río (Appl. Categorical Struct., 2005)

On Algebraic K-theory Categorical Groups. - Antonio R. Garzón; A. del Río (Appl. Categorical Struct., 2011)