Kuznetsova, E. S., I. S. Pytskii, and BuryakA. К. “Silver As a Cationizing Agent in the Identification of Amino Acids by the MALDI-MS Method”. Sorbtsionnye I Khromatograficheskie Protsessy, Vol. 18, no. 2, Apr. 2018, pp. 238-42, doi:10.17308/sorpchrom.2018.18/505.