%0 Journal Article %T Introduction of the tetra-circumplex criterion for comparison of the actual and theoretical structures of the sleep – wake adaptability %A Putilov, Arcady A. %J Biological Rhythm Research %V 38 %N 1 %P 65-84 %@ 1744-4179 %D 2007-02-01 %I Taylor & Francis %~ DeepDyve