bibentry(
  bibtype = "article",
  author =	"Chris J. Stubben and Brook G. Milligan",
  title =	"Estimating and Analyzing Demographic Models Using the popbio Package in R",
  journal =	"Journal of Statistical Software",
  volume =	"22",
  number =	"11",
  year = 	"2007",
  doi = "10.18637/jss.v022.i11")
