1. Experimentally displaced sleep: effects on sleepiness;Akerstedt;Electroenceph. clin. Neurophysiol.,1982
2. Human sleep patterns under conditions of disentrainment;Campbell,1983
3. Thermovariance spectra: method and clinical illustrations. II. Thermovariance spectra: simplified computational example and other methodology;Halberg;J. exp. med. Surg.,1961
4. Thermovariance spectra: method and clinical illustrations. II. Thermovariance spectra: simplified computational example and other methodology;Halberg;J. exp. med. Surg.,1961
5. Spectral Analysis and its Applications;Jenkins,1968