1. Notes on the dilution process in flame photometry;Ramírez-Muñoz;Inform. Quim. Anal.,1967
2. Qualitative and quantitative sensitivity in flame photometry;Ramírez-Muñoz;Talanta,1966
3. Quantitative sensitivity in atomic-absorption spectroscopy;Ramírez-Muñoz;Microchem. J.,1966
4. Atomic-Absorption Spectroscopy;Ramírez-Muñoz,1968
5. Practical use of concentration limits in atomic-absorption flame photometry;Ramírez-Muñoz;Rev. Univ. Ind. Santander,1965