Cooling neutron star in the Cassiopeia A supernova remnant: evidence for superfluidity in the coreDOI: info:10.1111/j.1745-3933.2011.01015.xv. 412L108–L112
Shternin, Peter S., Yakovlev, Dmitry G., Heinke, Craig O., Ho, Wynn C. G., and Patnaude, Daniel J. 2011. "Cooling neutron star in the Cassiopeia A supernova remnant: evidence for superfluidity in the core." Monthly Notices of the Royal Astronomical Society, 412 L108–L112. https://doi.org/10.1111/j.1745-3933.2011.01015.x.