Acknowledgments
The author’s works reviewed in this article have been done in a series of collaborations with K.G. Arun, Alejandro Bohé, Alessandra Buonanno, Thibault Damour, Steven Detweiler, Gilles Esposito-Farèse, Guillaume Faye, Bala R. Iyer, Alexandre Le Tiec, Sylvain Marsat, Samaya Nissanke, Olivier Poujade, B.S. Sathyaprakash, Gerhard Schäfer, Bernard F. Whiting, Clifford M. Will, and Alan G. Wiseman.