Ergonomische PC-Tastaturen das sollten Sie wissen!
2017-3-29 · Ergonomische PC-Tastaturen ... E. (2004) Muscle strain of the hand-arm-shoulder system during typing at conventional and ergonomic keyboards. In: Occupational Ergonomics 4, S. 105ff. [11]Swanson, N. et al. (1997) The impact of keyboard design on comfort and productivity in a
