Risk Managament - teleconference recording of a PMI study group. It takes a while to get past all the advertising and references to websites but the presenter does a reasonable job explaining the basics of risk management.
Getting Specific about Risk Language - Carl Pritchard, PMP, Principal and Founder, Pritchard Management Associates (PMA) (carlpritchard.com) shares how to talk in Risk language and how to be specific about Risk. This is a real and practical guide about managing risks on projects. Thresholds, criteria, the impact of culture on the project,... it's all there.
Understanding and Managing Risks in Large Engineering Projects - An investigation into how large scale engineering projects manage risks and risk taking. A rather short document coming in at only 17 written pages, it does discuss who risks are actually managed on projects rather than the basic mechanics of risk management techniques decribed by PMBOK.