Standardising maintenance jobs to improve grouping decision making
                        Year: 2021
                        Author: Agergaard, J., Sigsgaard, K., Mortensen, N., Ge, J., Hansen, K., & Khalid, W.
                        Series: ICED
                        DOI number: 10.1017/pds.2021.531
                        ISSN: 2732-527X