1. Nomenclature and Criteria for Diagnosis of Diseases of the Heart and Blood Vessels,1953
2. The Precordial Electrocardiogram. I. The Potential Variations of the Precordium and of the Extremities in Normal Subjects;Kossmann;Am. Heart J.,1935
3. Kossmann, C., and Goldberg, H. H.: Unpublished Observations.
4. Exploratory Electrocardiograms—Extremity, Precordial, Esophageal;Wilson;Tr. A. Life Insur. M. Dir. America,1946
5. Electrocardiograma Normal;Vaquero,1948