@article{Limbourg2009,
  author    = {Robert de Limbourg},
  title     = {M{\´e}moire sur l´histoire naturelle d´une partie du Pays belgique},
  volume    = {1 [1. S{\´e}r.]},
  number    = {6},
  pages     = {195 -- 228},
  year      = {2009},
}