@misc{indiciae4331b77bc707,
  title = {X-ray crystallographic and tungsten-183 nuclear magnetic resonance structural studies of the [M4(H2O)2(XW9O34) 2]10- heteropolyanions (M = COII or Zn, X = P or As)},
  author = {H. T. Evans and C.M. Tourne and G.F. Tourne and T.J.R. Weakley},
  year = {1986},
  doi = {10.1039/dt9860002699},
  url = {https://pubs.usgs.gov/publication/70014619},
  note = {Source identifier: 70014619}
}