Synthesis of Driving Signals for Medical Imaging Annular Arrays from Ultrasonic X-wave Solutions. - L. Castellanos; Antonio Ramos; Héctor Calás (BIOSIGNALS, 2010)

Simulation and experimental verification of the acoustic field produced by an annular piezoelectric array. - V. H. Contreras; Lorenzo Leija; Arturo Vera; Mario-Ibrahin Gutiérrez; L. Castellanos; Ivonne Bazán (CCE, 2015)