Niessen , W. .. M. .. A. (2001). Current practice of gas chromatography mass spectroscopy. Marcel Dekkers Inc.
Chicago Style aipamenaNiessen , W . M . A. Current Practice of Gas Chromatography Mass Spectroscopy. New York: Marcel Dekkers Inc, 2001.
MLA aipamenaNiessen , W . M . A. Current Practice of Gas Chromatography Mass Spectroscopy. Marcel Dekkers Inc, 2001.
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