title: [Dynamics of mental productivity during a relatively free day schedule].
authors.forename: V S
authors.initials: VS
authors.lastname: Gumeniuk
mesh_terms: D004526:Efficiency; D006801:Humans; D008606:Mental Processes; D010507:Periodicity; D012621:Seasons; D013026:Space Flight
vernacular_title: Dinamika umstvennoĭ produktivnosti v usloviiakh otnositel'no svobodnogo rasporiadka dnia.