Powell, V. P. (1965). Molecular weight calculations. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Powell, Virginia P. Molecular Weight Calculations. Englewood Cliffs, N.J.: Prentice-Hall, 1965.
Lua MLA (8ú heag.)Powell, Virginia P. Molecular Weight Calculations. Prentice-Hall, 1965.
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