@article{8dcbdaf4eb3645b0b1b36056763b732e,
title = "An optical emission line survey of large planetary nebulae",
keywords = "HII regions, ISM: general, Planetary nebula: general, Surveys",
author = "Madsen, \{G. J.\} and Frew, \{D. J.\} and Parker, \{Q. A.\} and Reynolds, \{R. J.\} and Haffner, \{L. M.\}",
year = "2006",
month = apr,
doi = "10.1017/S1743921306003711",
language = "English",
volume = "2",
pages = "455--456",
journal = "Proceedings of the International Astronomical Union",
issn = "1743-9213",
publisher = "Cambridge University Press",
number = "234",
}