title: [Subjective self-evaluations of the state of operators during prolonged tracking].
mesh_terms: D004644:Emotions; D006801:Humans; D013009:Somnambulism; D013647:Task Performance and Analysis; D013997:Time Factors
vernacular_title: Izuchenie sub''ektivnykh otsenok sobstvennogo sostoianiia operatorov v protsesse dlitel'nogo slezheniia