The Shock and vibration bulletin The shock and vibration bulletin 47pt.1 The shock and vibration bulletin 47pt.2 The Shock and vibration bulletin 51 pt. 2 The Shock and vibration bulletin 51 pt. 1 The Shock and vibration bulletin 51 pt. 3 The shock and vibration bulletin 48 pt.4 The shock and vibration bulletin 41 pt.2 The shock and vibration bulletin 41 pt.3 The shock and vibration bulletin 41 pt.4