U. Philipp

Mechanisms of central transmission of respiratory reflexes.

H. Koepchen, D. Klüßendorf, U. Philipp, 1973, Acta neurobiologiae experimentalis.

Decomposition of Heart-Rate Variability under the Ergonomic Aspects of Stressor Analysis

Walter Rohmert, Holger Luczak, W. Rohmert, 1980 .

Heart rate variability and work-load measurement.

W Laurig, H Luczak, W Rohmert, 1973, Ergonomics.