Use of referential language in short-term group psychotherapy for complicated grief
Group Dynamics Theory Research and Practice (2016) - Comment
doi: 10.1037/gdn0000038  issn: 1930-7802  issn: 1089-2699 

Carlos A. Sierra Hernandez, William E. Piper, John S. Ogrodniczuk, Anthony S. Joyce, Rene Weideman