اثر اوبرت (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "اثر اوبرت" in Persian language version.

refsWebsite

Global rank Persian rank

75^th place

77^th place

6^th place

9^th place

archive.org

Hermann Oberth (1970). "Ways to spaceflight". Translation of the German language original "Wege zur Raumschiffahrt," (1920). Tunis, Tunisia: Agence Tunisienne de Public-Relations.

nasa.gov

ntrs.nasa.gov

Robert B. Adams, Georgia A. Richardson. "Using the Two-Burn Escape Maneuver for Fast Transfers in the Solar System and Beyond" (PDF). NASA. Retrieved 15 May 2015.