Westwood, S. A. (1993). Supercritical fluid extraction and its use in chromatographic sample preparation. London : Blackie Academic & Professional.
Lua i Stíl Chicago (17ú heag.)Westwood, S A. Supercritical Fluid Extraction and Its Use in Chromatographic Sample Preparation. London : Blackie Academic & Professional, 1993.
Lua MLA (9ú heag.)Westwood, S A. Supercritical Fluid Extraction and Its Use in Chromatographic Sample Preparation. London : Blackie Academic & Professional, 1993.
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