@article{IslamRanjithBaenitzetal.2018,
  author    = {S. S. Islam and K. M. Ranjith and M. Baenitz and Y. Skourski and Alexander A. Tsirlin and R. Nath},
  title     = {Frustration of square cupola in Sr(TiO)Cu4(PO4)4},
  journal   = {Physical Review B},
  volume    = {97},
  number    = {17},
  pages     = {174432},
  doi       = {10.1103/physrevb.97.174432},
  year      = {2018},
}