@article{id_6502,
title = "High cooperativity coupling between a phosphorus donor spin ensemble and a superconducting
            microwave resonator
        ",
author = "Christoph W. Zollitsch, Kai Mueller, David P. Franke, Sebastian T. B. Goennenwein,
            Martin S. Brandt, Rudolf Gross, Hans Huebl",
journal = "Appl. Phys. Lett.",
volume = "107",
year = "2015",
pages = "142105",
url = "http://scitation.aip.org/content/aip/journal/apl/107/14/10.1063/1.4932658",
}