Development of a mathematical model to analyze color and density as discriminant features for pulmonary squamous epithelial cells. - J. Engvall; S. D. Greenberg; Harlan J. Spjut; R. Estrada; J. Subach; S. L. Kimzey; J. F. King; P. M. DiTrapani (Pattern Recognit., 1981)

A VHDL Library to Analyse Fault Tolerant Techniques. - Pilar Martínez Ortigosa; O. López; R. Estrada; Inmaculada García; Ester M. Garzón (FPL, 2003)