Test veteran describes fundamentals of shock and vibration measurement (link) Understanding the Role Precision Plays in HALT (link) The Next Generation of Environmental Testing (link) Pneumatic Vibrators to Stimulate, Not Simulate (PDF - presented with permission from Quality Magazine) Exposing Hard-to-Find Defects (PDF) Thermal and Vibration Isolation Techniques During HALT (PDF) Summary of HALT and HASS Results (PDF) Pre-HALT Analysis Techniques (PDF) MTBF Prediction from HALT (PDF) HASS Development Methodology (PDF) HALT and HASS Experience at Centigram Corp (PDF) Finding Defects in Printed Circuit Boards (PDF) Selecting the Correct HALT Chamber (link)