@inproceedings{Israel:2019gX, author = "Israel, Frank", title = "{HII region studies with the WSRT}", doi = "10.22323/1.361.0014", booktitle = "Proceedings of Westerbork Telescope 50th Anniversary {\textemdash} PoS(Westerbork)", year = 2019, volume = "361", pages = "014" }