@book{numophylacium-greenwell-cyzicus-1887,
  title = {The Electrum Coinage of Cyzicus},
  author = {William Greenwell},
  year = {1887},
  language = {English},
  url = {https://numophylacium.com/works/greenwell-cyzicus-1887/},
  pdf = {https://numophylacium.com/library/electrumcoinageo00gree/electrumcoinageo00gree.pdf},
  note = {Digitized reference record in Numophylacium Graecum; source archive.org electrumcoinageo00gree}
}