@ARTICLE{Kim_J.S._An_2011, author={Kim, J.S. and Kim, I.S. and Lee, J.H. and Jung, S.M.}, number={No 1}, journal={Archives of Materials Science and Engineering}, howpublished={online}, year={2011}, publisher={Polish Academy of Sciences}, title={An experimental study on the prediction of back-bead geometry in pipeline using the GMA welding process}, URL={http://journals.pan.pl/Content/89304/mainfile.pdf}, }