Weidmann, Ulrich, and Gražvydas Jakubauskas. 2011. “Feasibility Study of Increasing Multimodal Interaction Between Private and Public Transport Based on the Use of Intellectual Transport Systems and Services”. Mokslas – Lietuvos Ateitis / Science – Future of Lithuania 1 (6):81-86. https://doi.org/10.3846/mla.2009.6.17.