## R >= 2.8.0 passes package metadata to citation().
if (!exists("meta") || is.null(meta)) meta <- packageDescription("nanotime")
title <- sprintf("{%s}: %s", meta$Package, meta$Title)
author <- eval(parse(text = meta$`Authors@R`))
author <- author[sapply(author$role, function(r) "aut" %in% r)]
year <- sub("-.*", "", meta$Date)
note <- sprintf("R package version %s", meta$Version)

bibentry(bibtype = "Manual",
         title   = title,
         author  = author,
         year    = year,
         note    = note,
         doi     = "10.32614/CRAN.package.nanotime",
         header  = "To cite nanotime in publications use:")
