@article{kim_park_song_2015, 
  title={Study of Structural Reliability of Pipe-Fitting Collet Tool}, 
  volume={14}, 
  DOI={10.14775/ksmpe.2015.14.4.140}, 
  publisher={The Korean Society of Manufacturing Process Engineers}, 
  author={Kim and Park and Song}, 
  year={2015}, 
  month={Aug}
  }