1. Heat loss through a solid floor;Macey;J. Inst. Fuel,1949
2. Heat loss through solid ground floors;Billington;J. Instn Heat. Vent. Engrs,1951
3. Measurement of heat losses from slab floors;Dill;U.S. Dept. of Comm., BMS,1945
4. Temperature and heat loss characteristics of concrete floors laid in ground;Bareither,1948