John R.W. BRE low-energy office:an assessment of electric heating / R.W.John,S.T.P.Willis,A.C.Salvidge, 1990. - 4 p. - Текст : непосредственный.
John R.W. Condensing boilers: how they compare with other systems in the BRE low-energy office / R.W.John,A.C.Salvidge, 1991. - 4 p. - Текст : непосредственный.