@inproceedings{Oosterloo:20195S,
  author = "Oosterloo, Tom  and  van Leeuwen, Joeri  and  Van Cappellen, W.  and  Kruithof, Gert  and  Jackson, Carole Ann",
  title = "{Apertif; the next stage}",
  doi = "10.22323/1.361.0016",
  booktitle = "Proceedings of Westerbork Telescope 50th Anniversary {\textemdash} PoS(Westerbork)",
  year = 2019,
  volume = "361",
  pages = "016"
}