?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Do%2C+Van+Thom&rft.aulast=Do&rft.aufirst=Van+Thom&rft.date=2018&rft.title=Free+vibration+of+cracked+composite+plates&rft.genre=proceeding