@report{ball2011hlr,
  author = {Alex Ball},
  title = {How to License Research Data},
  date = {2011-02-09},
  type = {How-To Guide},
  institution = {Digital Curation Centre},
  location = {Bath, UK},
  url = {http://www.dcc.ac.uk/resources/how-guides/license-research-data}
}