• Cardinality of sets associated to B3 and B4 sets, Jhon Jairo Bravo Grijalba , Diego Fernando Ruiz Solarte, Carlos Alberto Trujillo Solarte, 2012/06/08
• Conjuntos B3, B4 y B2[2]–enteros y modulares, Jhon Jairo Bravo Grijalba , Diego Fernando Ruiz Solarte, Carlos Alberto Trujillo Solarte, 2008/08/01
• Construction of Bh[g] Sets in Products of Groups, Carlos Alberto Trujillo Solarte, Diego Fernando Ruiz Solarte, 2016/07/01