The shock and vibration bulletin 52 pt.2 The shock and vibration bulletin 52 pt.3 The shock and vibration bulletin 52 pt.4 The shock and vibration bulletin 52 pt.5 The shock and vibration bulletin 41 pt.2 The shock and vibration bulletin 48 pt.2 The Shock and vibration bulletin 51 pt. 2 The shock and vibration bulletin 48 pt.4 The shock and vibration bulletin 41 pt.3 The shock and vibration bulletin 41 pt.4