Butler D.J.G. Phase-out of CFCs and HCFCs:options for owners and operators of air-conditioning / D.J.G.Butler, 1995. - 4 p. - Текст : непосредственный.
Butler D.J.G. Phase-out of CFCs:guidance for owners and operators of air conditioning systems / D.J.G.Butler, 1993. - 4 p. - Текст : непосредственный.
Butler D.J.G. Ammonia refrigerant in buildings: minimising the hazards / D.J.G.Butler,D.J.Hall, 2000. - 6 p. - Текст : непосредственный.
Butler D.J.G. Safety and environmental requirements of new refrigerants / D.J.G.Butler, 1995. - 7 p. - Текст : непосредственный.
Butler D.J.G. Performance of air-conditioning systems with alternative refrigerants / D.J.G.Butler, 1998. - 4 p. - Текст : непосредственный.
Butler D.J.G. CFCs and the building industry / D.J.G.Butler, 1989. - 4 p. - Текст : непосредственный.