@article{12908,
      author       = "Colvocoresses, Alden P. and XIV. Congress F.I.G. 1974 -
                      Washington - Commission 5, Ninth Session, Survey Instruments
                      and Methods",
      title        = "Information Through Color  ",
      year         = "1974",
      note         = "1 sv., Presented at the 1974 Fell Convention of ASP",
}