Castravet, Ana-Maria Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1515/CRELLE.2011.189 (Publisher version)
Castravet_hypertrees_oa_2013.pdf (Any fulltext), 2MB
Castravet, A.-M., & Tevelev, J. (2013). Hypertrees, projections, and moduli of stable rational curves. Journal für die Reine und Angewandte Mathematik, 675, 121-180. doi:10.1515/CRELLE.2011.189.