“Amino Acids under Ionization Conditions During Electrospraying: Use of Nickel Chloride to Initiate Cluster Formation”. Sorbtsionnye i Khromatograficheskie Protsessy 18, no. 6 (December 6, 2018): 853–859. Accessed April 1, 2026. https://journals.vsu.ru/sorpchrom/article/view/613.