1. A. V. Lykov, Heat and Mass Transfer in Drying Processes [in Russian], Gosenergoizdat, 1956.
2. Yu. A. Mikhailov, IFZh, no. 2. 1961.
3. M. A. Sukhanov, Peat Thermal Insulation Materials [in Russian], Gosenergoizdat, 1960.
4. Tr. VNIITP, Gosenergoizdat, vol. 17, 1960.
5. Peat Handbook [in Russian], Gosenergoizdat, 1954.