@InProceedings{Rao:1993:LoTeCi,
               author = "Rao, Kondapalli Rama",
                title = "Long term circular orbit propagation errors caused by Earth's 
                         anomalous gravity and drag parameter uncertainly",
                 year = "1993",
         organization = "Congress of the International Astronuatical Federation, 44. 
                         (IAF).",
             keywords = "ENGENHARIA E TECNOLOGIA ESPACIAL.",
  conference-location = "Graz, AU",
      conference-year = "16-22 Oct. 1993",
                label = "10941",
           targetfile = "p2.pdf",
        urlaccessdate = "20 maio 2024"
}