W K Barnikol

[A new respiratory signal device (author's transl)].

D P Möller, W K Barnikol, 1982, Biomedizinische Technik. Biomedical engineering.

Dependence of visible spectrum [epsilon (lambda)] of fully oxygenated hemoglobin on concentration of hemoglobin.

W K Barnikol, W. Barnikol, O Burkhard, 1982, Journal of applied physiology: respiratory, environmental and exercise physiology.