@article{HamaguchiCorcoran2015, author = {K. Hamaguchi and M. F. Corcoran}, title = {Extremely Hard X-ray Emission from η Car Observed with XMM-Newton and NuSTAR around Periastron in 2014.6}, journal = {Wolf-Rayet Stars : Proceedings of an International Workshop held in Potsdam, Germany, 1.-5. June 2015}, pages = {159 -- 162}, year = {2015}, }