year <- sub("-.*", "", meta$Date)
note <- sprintf("GWRM R package version %s", meta$Version)

bibentry(bibtype = "Manual",
         title = "{GWRM}: Generalized Waring Regression Model for Count Data",
         author = c(
    person("Antonio Jose", "Saez-Castillo"),
    person("Silverio", "Vilchez-Lopez"),
    person("Maria Jose", "Olmo-Jimenez"),
    person("Jose", "Rodriguez-Avi"),
    person("Antonio", "Conde-Sanchez"),
    person("Ana Maria", "Martinez-Rodriguez")),
         year = year,
         note = note,
         url = "http://CRAN.R-project.org/package=GWRM")