We call them ghosts
Crossref DOI link: https://doi.org/10.1007/s12682-015-0217-6
Published Online: 2015-12-14
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Monteagut, Lorraine E.
Text and Data Mining valid from 2015-12-01