Liu, X.; Prokhnenko, O.; Yamamoto, D.; Bartkowiak, M.; Kurita, N.; Tanaka, H.: Microscopic evidence of a quantum magnetization process in the S=½ triangular-lattice Heisenberg-like antiferromagnet Ba3CoSb2O9. Physical Review B 100 (2019), p. 094436/1-8
10.1103/PhysRevB.100.094436