1. The vectorcardiogram in right bundle branch block coexisting with left ventricular focal block;Castellanos, A.; Lemberg, L.; loannides, G.; Salhanick, L.;Amer. J. Cardiol,1966
2. The pathologic basis of the electrocardiographic pattern of parietal block;Entman, M.L.; Estes, E.H.; Hackel, D.B.;Amer. Heart_J,1967
3. Left axis deviation: an electrocardiographic-pathologic correlation study;Grant, R.P.;Circulation,1956
4. Clinical Electrocardiography;Grant, R.P.,1957
5. Spatial Vectorcardiography;Grishman, A.; Scherlis, L.,1952