The role of lighting in increasing productivity and improving working conditions /
Glagoleva, T. A.
Krolʹ, Ts. I.
Garston :  Building Research Station, 
1970.
Originally published as Rolʹ osveschcheniya v povyshenii proizvoditelʹnosti truda i uluchshenii ego uslovii in Svetotekhnika, 1970, (4), 5-7.