@misc{di2019resource,
  title = {Resource fields for building sand, limestone and phosphate in the Greater Cape Town area.}
  author = {D.I. Cole},
  url = {https://resource.capetown.gov.za/documentcentre/Documents/City%20research%20reports%20and%20review/Remaining-Extent-of-Mineral-Resources-in-CCT-REPORT-2011-06.pdf},
  year = {2019}
}