General Relativity 1916 – 2016 (Minkowski Institute Press, Montreal 2017) – Selected peer-reviewed papers presented at the Fourth International Conference on the Nature and Ontology of Spacetime, dedicated to the 100th anniversary of the publication of General Relativity, 30 May – 2 June 2016, Golden Sands, Varna, Bulgaria :
http://www.minkowskiinstitute.org/mip/books/2016conf.html