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2. Studies on Consecutive Phases of the Cardiac Cycle; Duration of Consecutive Phases of Cardiac Cycle and Criteria for Their Precise Determination;WIGGERS;Am. J. Physiol.,1921
3. Studies on Consecutive Phases of Cardiac Cycles; Laws Governing Relative Durations of Ventricular Systole and Diastole;WIGGERS;Am. J. Physiol.,1921
4. Die Untersuchung der Dynamik des Herzens beim Menschen;BLUMBERGER;Ergeb. d. Inn. Med. u. Kinderheilk.,1942
5. Changes in Heart Rate, Blood Pressure, and Duration of Systole from Bicycling;BOWEN;Am. J. Physiol.,1904