Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "British Ceramic Research Association and Rowden, E.","Final report of the joint blue brick air pollution working party : report approved at the meeting of the working party on March 8, 1972 for submission to the National Federation of Clay Industries Fuel Policy & Fuel Efficiency Committee and the Chief Alkali Inspector on June 1, 1972/ prepared by E. Rowden",,British Ceramic Research Association,1972,Special publication,,,,https://cir.nii.ac.jp/crid/1130860133339049224