Annales Henri Poincaré. A Journal of Theoretical and Mathematical Physics (Ann. Henri Poincaré) (20190101), 20, no.~9, 2899-2935. ISSN: 1424-0637 (print).eISSN: 1424-0661.
Margaris, I & Hansen, A D 2009, Evaluation of power control with different electrical and control concept of wind farm : Part 1 – small island grid . Project UpWind .