@article{Šimik2019,
  author    = {Radek Šim{\´i}k},
  title     = {On doubling unconditionals},
  journal   = {Of trees and birds. A Festschrift for Gisbert Fanselow},
  pages     = {155 -- 169},
  doi       = {10.25932/publishup-43226},
  year      = {2019},
}