A method of calculating the reflected light in side-lighted factory bays : (O metode rascheta otrazhennogo sveta o proizvodstvennykh pomeshcheniyakh s bokovym osveshcheniem) /
Gusev, N. M.
Simonov, V. A.
Garston :  Building Research Station, 
1971.
Originally published in NII Stroitel'noi fiziki, 1969, issue 3(XI), pp. 33-42.