Ives, H. C. (1944). Natural trigonometric functions to seven decimal places for every ten seconds of arc: Together with miscellaneous tables (2nd ed.). J. Wiley and Sons.
芝加哥风格引文Ives, Howard Chapin. Natural Trigonometric Functions to Seven Decimal Places for Every Ten Seconds of Arc: Together with Miscellaneous Tables. 2nd ed. New York: J. Wiley and Sons, 1944.
MLA引文Ives, Howard Chapin. Natural Trigonometric Functions to Seven Decimal Places for Every Ten Seconds of Arc: Together with Miscellaneous Tables. 2nd ed. J. Wiley and Sons, 1944.
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