Balmino, G., Reigber, C., & Moynot, B. (1976). The Grim 2 earth gravity field model. Beck.
Chicago Style (17th ed.) CitationBalmino, Georges, Christoph Reigber, and Bernard Moynot. The Grim 2 Earth Gravity Field Model. München: Beck, 1976.
MLA (9th ed.) CitationBalmino, Georges, et al. The Grim 2 Earth Gravity Field Model. Beck, 1976.
Warning: These citations may not always be 100% accurate.