FADRNÁ, R., JOSYPČUK, B., FOJTA, M., NAVRÁTIL, T., NOVOTNÝ, L. Voltametric Determination of Adenine, Guanine and DNA Using Liquid Mercury Free Polished Silver Solid Amalgam Electrode. Analytical Letters. 2004, 37(3), 399-413. ISSN 0003-2719. E-ISSN 1532-236X.