Hornsby, W. A., Buchholz, R., Casson, F. J., Migliano, P., Poli, E., Zarzoso, D., et al. (2014). Tearing modes within the gyro-kinetic framework. Talk presented at Joint Varenna-Lausanne International Workshop on Theory of Fusion Plasmas. Varenna. 2014-09-01 - 2014-09-05.