Whitepaper: A Roadmap to Method Development
This white paper provides an overview of an overall method development process.
Main Description
It describes the key differences and similarities between method and software development and describes the essential work products produced during a method development project.

Here is a link to the whitepaper on developerWorks: Cécile Péraire, "A Roadmap to Method Development", The Rational Edge, February 2007.