1. Heat loss through solid ground floors;Billington;IHVE J.,1951
2. The temperature field produced in the ground by a heated slab laid direct on ground, and the heat flow from slab to ground;Vuorelainen;The State Inst. for Tech. Res., Finland, Pub. No. 52,1960
3. The temperatures under houses erected immediately on the ground and heat losses from their foundation slab;Vuorelainen;The State Inst. for Tech. Res., Finland, Pub. No. 55,1960
4. A practical method for calculation of heat losses into the ground from buildings erected immediately on the ground;Vuorelainen;The State Inst. for Tech. Res., Finland, Pub. No. 76,1963
5. Heat flow into the ground under a house;Muncey,1978