@article{1de2127bab3b41109e836ec9c6ce552c,
title = "The use of an ethidium analogue in the dye-buoyant density procedure for the isolation of closed circular DNA: the variation of the superhelix density of mitochondrial DNA.",
author = "B. Hudson and Upholt, {W. B.} and J. Devinny and J. Vinograd",
year = "1969",
month = mar,
doi = "10.1073/pnas.62.3.813",
language = "English (US)",
volume = "62",
pages = "813--820",
journal = "Proceedings of the National Academy of Sciences of the United States of America",
issn = "0027-8424",
publisher = "National Academy of Sciences",
number = "3",
}