?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Please%2C+Colin&rft.aufirst=Colin&rft.aulast=Please&rft.issue=2003&rft.date=2003&rft.volume=133&rft.atitle=Approximations+to+the+Distributed+Activation+Energy+Model+for+the+Pyrolysis+of+Coal&rft.issn=0010-2180&rft.title=Combustion+and+Flame&rft.genre=article