bibentry("Manual",
   title = "investr: Functions for Inverse Estimation with Linear and Nonlinear Regression Models in R.",
   author = as.person("Brandon M. Greenwell"),
   year   = "2013",
   note   = "R package version 1.0.1",
   url    = "https://github.com/w108bmg/investr",
   key = "investr-package",

   mheader = "To cite invest in publications use:"
)