Siem Reap, Cambodia. doi:10.5281/zenodo.1127808 Proto-Xiaoheijiang U, a subgroup of Northern Angkuic Sidwell, Paul. 2009. Classifying the Austroasiatic
1992: 160. ISBN 9780822312413. ...the Szekler community, now regarded as a subgroup of the Hungarian people. Józsa Hévizi, Thomas J. DeKornfeld, Autonomies
index subgroup of G, the existence of a left-right transversal is well known, sometimes presented as an application of Hall’s marriage theorem. Hall, Marshall