https://www.semanticscholar.org/paper/Formalising-%E2%80%9C-Position-%E2%80%9D-in-Argument-Based-(-A-)-Rahwan-Sonenberg/f786fa774ca8d6234fda799b8b540c1ba993aa7f?navId=paper-header (Any fulltext)
Rahwan, I., & Sonenberg, L.(2003). Formalising “Position” in argument-based negotiation (A preliminary report).