Hengeveld 1989

Hengeveld, Kees. 1989. Layers and Operators in Functional Grammar. Journal of Linguistics 25. 127-157.

@article{Hengeveld-1989,
  author  = {Hengeveld, Kees},
  journal = {Journal of Linguistics},
  pages   = {127-157},
  title   = {Layers and Operators in Functional Grammar},
  volume  = {25},
  year    = {1989}
}