Heftman, e. b. E. Chromatography Part A: Fundamentals and techniques. Elsevier Scientific.
Lua i Stíl Chicago (17ú heag.)Heftman, edited by E. Chromatography Part A: Fundamentals and Techniques. Elsevier Scientific.
Lua MLA (8ú heag.)Heftman, edited by E. Chromatography Part A: Fundamentals and Techniques. Elsevier Scientific.
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