1. Spatial Vectorcardiography;Grishman,1952
2. The vectorcardiogram of ventricular activation in chronic coronary heart disease;Cabrera;Am. Heart J.,1958
3. The activation of the interventricular septum;Sodi-Pallares;Am. Heart J.,1951
4. New Bases of Electrocardiography;Mascarenhas,1956
5. Metodo para correlacionar el vectorcardiograma con el proceso de la activation ventricular;Cabrera;Arch. Inst. cardiol. Mexico,1958