The Agile/Waterfall Cooperative
http://www.rallydev.com/kportal.jsp?doc=pr2
  access restricted (by the publisher) to members/subscribers/customers only

Sliger, Michele
Rally Software Development
2006

Abstract:

In this tutorial, attendees will learn to factor their company's business needs into their existing Agile procedures, and management will learn how to begin the investigative work of determining how to streamline these requirements and activities so that they don't hamper the project.