by F. Emmert-Streib
Reference:
Structural properties and complexity of a new network class: Collatz step graphs (F. Emmert-Streib), In PLoS ONE, volume 8, 2013.
Bibtex Entry:
@Article{em_jJuly0211,
  author = 	 {Emmert-Streib, F.},
  title = 	 {{Structural properties and complexity of a new network class: Collatz step graphs}},
  journal = 	 {PLoS ONE},
  year = 	 {2013},
  OPTkey = 	 {},
  volume = 	 {8},
  number = 	 {2},
  pages = 	 {e56461},
  OPTmonth = 	 {},
  OPTnote = 	 {},
  OPTannote = 	 {}
}