@article{Pevtsov:4800,
      author        = "Pevtsov, Alexei and Griffin, Elizabeth and Grindlay,
                       Jonathan and Kafka, Stella and Bartlett, Jennifer and
                       Usoskin, Ilya and Mursula, Kalevi and Gibson, Sarah and
                       Pillet, Valentín and Burkepile, Joan and Webb, David and
                       Clette, Frédéric and Hesser, James and Stetson, Peter and
                       Muñoz-Jaramillo, Andres and Hill, Frank and Bogart, Rick
                       and Osborn, Wayne and Longcope, Dana",
      title         = "{Historical astronomical data: urgent need for
                       preservation, digitization enabling scientific
                       exploration}",
      year          = "2019",
}