By Ladybird
By Anon
By Willmott, EM
By Greg Pyers
By Nathan Lepora
By The IET
By Haynes, J. H., Methuen, P.M.
By Hall, Godfrey, Bailey, Andy, Hutchinson, Susan
By Clarke, R. M.
By Michael F. Ashby, Hugh Shercliff, David Cebon
By Jennings, Michael, Moran, Bronwen
By Rendle, Steve, Coombs, Mark, Mead, John S., Mead, John S.
By Anon, Haynes
By Jackson, Paul
By TickTock Books
By Davis, C.
By Andrew Pytel
By Kirk, Suzanne, MacTier, Alison
By Richardson, Mike, Richardson, Sue
By Knapp, Brian
By Topping, B. H. V.
By Papadrakakis, Manolis, Topping, B. H. V.
By Wade, W., Hughes, C.
By Cave, John, Wilkinson, J., Stensel, Peter
By Lane & Rayner, Lane, George, Rayner, David
By Cibse
By Chartered Institution of Building Services Engineers
By editor
By Faruque, Saleh
By Ghavami, Parviz