@article{Malchau2006,
  author    = {Gilbert Malchau},
  title     = {Cultivation and marketing of farm products in the hinterland of Gombe, NE-Nigeria},
  journal   = {Berichte des Sonderforschungsbereichs 268},
  volume    = {14},
  pages     = {153 -- 159},
  year      = {2006},
}