1. Vibration problems in engineering;Timoshenko,1974
2. Calculating and measuring of the natural frequency of expansion joint;Li;Chem. General Equip.,1983
3. Research in the field of axial natural frequency and spring rate behavior of bellows;Li,1984
4. Axial deflection stresses and spring rate of U-shaped expansion joint;Li,1981
5. Standards of the expansion joint manufacturers association,1980