@dataset{currentDoc,
  author = {},
  title = {Alexandria Ontario. 1:50,000. Map Sheet 031G07, ed. 5, 1976},
  publisher = {Other Borealis Collections},
  issued = {1976-01-01},
  howpublished = {{\url{https://doi.org/10.5683/SP3/SUFJTW}}}
}