WA

Thirstland

By De Klerk, WA

Disinfection of Root Canal Systems: The Treatment of Apical Periodontitis

By Nestor Cohenca (University of Washington, Seattle, WA, USA)

Principles of Transaction Processing

By Philip A. Bernstein (Lead Architect, Microsoft Corporation, Bellvue, WA, USA), Eric Newcomer (Program manager, Digital Equipment Corporation, Groton, MA