citHeader("To cite GPArotateDF in publications use:")

citEntry(entry="Article",
  author	= personList(as.person("Robert I.Jennrich")),
  year 		= "2004",
  title 	= "Derivative free gradient projection algorithms for rotation",
  journal 	= "Psychometrika",
  volume 	= "69",
  issue		= "3",
  pages 	= "475--480",
  
  textVersion = 
     paste("Jennrich, R.I. (2004) ", 
       "Derivative free gradient projection algorithms for rotation, ",
       "Psychometrika: 69(3), 475-480. ")
  )
  

citEntry(entry="Article",
  author	= personList(as.person("Coen A. Bernaards"),
                         as.person("Robert I.Jennrich")),
  year 		= "2005",
  title 	= "Gradient Projection Algorithms and Software for Arbitrary Rotation Criteria in Factor Analysis",
  journal 	= "Educational and Psychological Measurement",
  volume 	= "65",
  issue		= "5",
  pages 	= "676--696",
  
  textVersion = 
     paste("Bernaards, C.A. and Jennrich, R.I. (2005) ", 
       "Gradient Projection Algorithms and Software for Arbitrary Rotation Criteria in Factor Analysis, ",
       "Educational and Psychological Measurement: 65(5), 676-696. ",
       "<doi: https://doi.org/10.1177/0013164404272507>.")
  )  
  
