TRÉZL, L., RUSZNÁK, I., LUDÁNYI, Ágnes, NÁRAY-SZABÓ, G., SZARVAS , T., CSIBA, A. “ESSENTIAL DIFFERENCES IN SPONTANEOUS REACTION OF L-LYSINE AND L-ARGININE WITH FORMALDEHYDE AND ITS QUANTUM CHEMICAL INTERPRETATION ”, Periodica Polytechnica Chemical Engineering, 32(4), pp. 251–260, 1988.