@incollection{jacquesestimative-stassen11comparative,
  address   = {Munich},
  author    = {Stassen, Leon},
  booktitle = {The World Atlas of Language Structures Online},
  chapter   = {121},
  editor    = {Dryer, Matthew S. and Haspelmath, Martin},
  publisher = {Max Planck Digital Library},
  title     = {Comparative Constructions},
  year      = {2011}
}