BRUHNS, C. (1869). A new manual of logarithms to seven: Places of decimals (18th ed.). van Nostrand.
Chicago-čujuhus (17. p.)BRUHNS, C. A New Manual of Logarithms to Seven: Places of Decimals. 18th ed. Princeton, N.J: van Nostrand, 1869.
MLA-čujuhus (9. p.)BRUHNS, C. A New Manual of Logarithms to Seven: Places of Decimals. 18th ed. van Nostrand, 1869.
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