Aspects of human efficiency :  Diurnal rhythm and loss of sleep ; the proccedings of a conference held at strasbourg in july 1970 under the aegis of the nato scientific affaire division. 

 - 344 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sueño, Perdida del--Congresos<br/>Rendimiento--Congresos<br/>Ritmos biológicos--Congresos
<br/><br/><label>LC Class. No.: </label>QP84  / C63