Bates, Irena, 		Petric Maretić, Katja, 		Plazonć, Ivana, 		Radić Seleš, Valentina, AND 		Rudolf, Maja.
" Determining the optical stability of printed laboratory substrates with wheat pulp after ageing treatment" <em>Acta Graphica</em> [Online], Volume 30 Number 1 (7 April 2021)