citHeader("When using Rsolnp in publications, please cite both, the Rsolnp package, and the original algorithm:")

## R >= 2.8.0 passes package metadata to citation().
if(!exists("meta") || is.null(meta)) meta <- packageDescription("Rsolnp")

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

citEntry(entry="Manual",
         title = "Rsolnp: General Non-linear Optimization Using Augmented
    Lagrange Multiplier Method",
         author = personList(as.person("Alexios Ghalanos and Stefan Theussl")),
         year         = year,
         note         = note,
         textVersion = 
         paste("Alexios Ghalanos and Stefan Theussl",
               sprintf("(%s).", year),
               "Rsolnp: General Non-linear Optimization Using Augmented Lagrange Multiplier Method.",
	       note),
	 header = "To cite the Rsolnp package, please use:"
)

citEntry(entry="PhdThesis",
         title = "Interior Algorithms for Linear, Quadratic, and Linearly Constrained Non-Linear Programming",
         author = personList(as.person("Yinyu Ye")),
         year         = "1987",
	 school = "Department of {ESS}, Stanford University",
         textVersion = 
         paste("Yinyu Ye (1987).",
               "Interior Algorithms for Linear, Quadratic, and Linearly Constrained Non-Linear Programming. Ph.D. Thesis, Department of EES, Stanford University."),
	 header = "To cite the original SOLNP algorithm, please use:"
)