: Requirements Engineering Research: Coordination and Infrastructure (Review Article).
: Conflicting Requirements: When the Customer is Not Always Right.
, Graeme G. Shanks
: Stakeholder Viewpoints in Requirements Definition: A Framework for Understanding Viewpoint Development Approaches.
, Gunter Saake
: Formal Analysis of the Shlaer-Mellor Method: Towards a Toolkit of Formal and Informal Requirements Specification Techniques.