arXiv:1404.2217 [astro-ph.GA]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords giant hii region ngc, 2d photoionisation models, optical emission-line relative intensities, two-dimensional tailor-made photoionisation models, microns ir ratio Tags journal article Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset