http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proposed computational method for estimation of orbital elements, drag coefficents and potential field parameters from satellite measurements
J.D. Buell, H.H. Kagiwada, and R.E. Kalaba.
"Prepared for United States Air Force Project Rand."--cover
Memorandum (Rand Corporation) ; RM-5060-PR