Krause, A., & Olson, M. (1997). The basics of S and s-plus. Springer.
Chicago Style (17th ed.) CitationKrause, Andreas, and Melvin Olson. The Basics of S and S-plus. Nueva York: Springer, 1997.
MLA (9th ed.) CitationKrause, Andreas, and Melvin Olson. The Basics of S and S-plus. Springer, 1997.
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