@article{article657,
  title = {An educational tool for observing seismic behavior of 3d frame structures},
  author = {ŞİŞMAN, R. and ŞAHİN, A.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2015},
  volume = {33},
  pages = {119-128},
  doi = {}
}