[ON THE EFFECT OF THE POSITION OF THE KEYBOARD ON EFFICIENCY AT THE TYPEWRITER].
D004526:Efficiency; D005858:Germany; D005860:Germany, West; D006801:Humans; D009048:Motor Skills; D009787:Occupational Medicine
GERMANY, WEST; INDUSTRIAL MEDICINE; MOTOR SKILLS
UBER DEN EINFLUSS DER RAEUMLICHEN LAGE VON TASTENFELDERN AUF DIE LEISTUNG AN SCHREIBMASCHINEN.