@ARTICLE{publication1, title = "Joins of closed sublocales", author = "{PICADO, Jorge} and {PULTR, Ales} and {TOZZI, Anna}", year = "2019", abstract = " ", journal = "Houston Journal of Mathematics", volume = "45", number = "1", pages = "21-38", url = "https://www.math.uh.edu/~hjm/Vol45-1.html" }