@phdthesis{Widayat2011,
  author      = {Agus Widayat},
  title       = {Paleoenvironmental and paleoecological changes during deposition of the Late Eocene Kiliran oil shale, Central Sumatra Basin, Indonesia / by Agus Haris Widayat},
  type        = {doctoralthesis},
  pages       = {159},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2011},
}