?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=O'Neill%2C+Philip+Thomas&rft.aufirst=Philip+Thomas&rft.aulast=O'Neill&rft.title=Radiative+transfer+and+chemistry+in+spheroidal+interstellar+clouds&rft.date=2002&rft.degree=Doctoral&rft.tpages=167&rft.inst=UCL+(University+College+London)