Stahlman, W. d., & Gingerich, O. (1963). Solar planetary longitudes for years -2500 to +2000 by 10-day intervals. The University of Wisconsin.
Chicago-viite (17. p.)Stahlman, William d., ja Owen Gingerich. Solar Planetary Longitudes for Years -2500 to +2000 by 10-day Intervals. Madison: The University of Wisconsin, 1963.
MLA-viite (9. p.)Stahlman, William d., ja Owen Gingerich. Solar Planetary Longitudes for Years -2500 to +2000 by 10-day Intervals. The University of Wisconsin, 1963.
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