A Ternary Storage Element Using a Conventional Ferrite Core. - Jorge Santos; Héctor Arango; Manuel Pascual (IEEE Trans. Electron. Comput., 1965)

Threshold implementation of ternary systems. - Héctor Arango; Manuel Pascual; Max E. Valentinuzzi; Jorge Santos (IEEE Trans. Electron. Comput., 1966)

A Cyclic Algebra for the Synthesis of Ternary Digital Systems. - Jorge Santos; Héctor Arango; Manuel Pascual; G. Roing (IEEE Trans. Computers, 1970)