@mastersthesis{Kavrakov2014,
  author      = {Igor Kavrakov},
  title       = {Structural Optimization of Composite Cross-Sections and Elements using Energy Methods},
  type        = {masterthesis},
  pages       = {96},
  school      = {Bauhaus-Universit{\"a}t Weimar},
  year        = {2014},
}