@article{MR1972024,
  title = "{$c$}-extensions of the {$F\sb 4(2)$}-building",
  author = "Ivanov, A. A. and Pasechnik, D. V.",
  year = "2003",
  issn = "0012-365X",
  journal = "Discrete Math.",
  mrnumber = "MR1972024 (2004h:51015)",
  note = "The 2000 $\rm Com\sp 2MaC$ Conference on Association Schemes, Codes and Designs (Pohang)",
  number = "1-3",
  pages = "91--110",
  volume = "264",
}