XM1 Life Cycle Cost Model - Maintenance Costs: Model Description and User's Guide
X-33 Hypersonic Boundary Layer Transition
Wyoming Statewide Intelligent Transportation Systems (ITS) Strategic Plan
World-wide interactive access to scientific databases via satellite and terrestrial data network
Workshop on Moon in Transition: Apollo 14, KREEP, and Evolved Lunar Rocks
Workshop on Moon in Transition: Apollo 14, Kreep, and Evolved Lunar Rocks
Work Injuries and Work Injury Rates in the Street and Highway Department Industry
Work Injuries and Work-Injury Rates in the Highway and Street Construction Industry, 1961
Work Injuries and Work Injury Rates in Hospitals
Work Injuries and Accident Causes in the Concrete Brick and Block Industry
Work Injuries and Accident Causes in School Lunchrooms
Work Injuries and Accident Causes in Hotels
Work Injuries and Accident Causes in Hospitals, 1963
Workforce for the Future Development of Space Access Vehicles
Windshield Glazing as an Injury Factor in Automobile Accidents
Wildlife Strikes to Civil Aircraft in the United States, 1990-2009
Wideband Phase-Locked Angle Modulator