@article{Simik2013,
  author    = {Radek Simik},
  title     = {The PRO-wh connection in modal existential wh-constructions an argument in favor of semantic control},
  journal   = {Natural language \& linguistic theory},
  volume    = {31},
  number    = {4},
  pages     = {1163 -- 1205},
  doi       = {10.1007/s11049-013-9205-9},
  year      = {2013},
}