Carroll (1974). "Subpicogram detection system for gas phase analysis based upon atmospheric pressure ionization (API) mass spectrometry". Analytical Chemistry. 46 (6): 706-710. doi:10.1021/ac60342a009. ISSN0003-2700.
Thomson (1 Mart 1998). "Atmospheric pressure ionization and liquid chromatography/mass spectrometry—together at last". Journal of the American Society for Mass Spectrometry (İngilizce). 9 (3): 187-193. doi:10.1016/S1044-0305(97)00285-7. ISSN1044-0305.
Carroll (1974). "Subpicogram detection system for gas phase analysis based upon atmospheric pressure ionization (API) mass spectrometry". Analytical Chemistry. 46 (6): 706-710. doi:10.1021/ac60342a009. ISSN0003-2700.
Thomson (1 Mart 1998). "Atmospheric pressure ionization and liquid chromatography/mass spectrometry—together at last". Journal of the American Society for Mass Spectrometry (İngilizce). 9 (3): 187-193. doi:10.1016/S1044-0305(97)00285-7. ISSN1044-0305.