Symbolic formulation method for mixed-mode analog circuits using nullors. - Esteban Tlelo-Cuautle; Elyoenai Martínez-Romero; Carlos Sánchez-López; Sheldon X.-D. Tan (ICECS, 2009)

Symbolic behavioral modeling of low voltage amplifiers. - Esteban Tlelo-Cuautle; Elyoenai Martínez-Romero; Carlos Sánchez-López; Sheldon X.-D. Tan (CCE, 2010)