1. Aifantopoulou, G., & Xenou E., 2018. NOVELOG Guidelines for the Planning & Development of Sustainable Urban Logistics Plans (SULPs), online access: http://novelog.eu/downloads-2/downloads/ (reading: 25.07.2018).
2. Heavy-duty vehicle platooning for sustainable freight transportation: A cooperative method to enhance safety and efficiency;Alam;IEEE Control Systems,2015
3. Booklet: Integrated Urban Freight Transport, More co-operation and better management for more energy efficiency and less CO2, online access: http://www.c-liege.eu/fileadmin/Media/c-liege.eu/Downloads/2_Brochure/C-LIEGE_Brochure_English.pdf (reading: 25.07.2018).
4. Booklet: STRAIGHTSOL - Strategies and measures for smarter urban freight solutions, online access: https://drive.google.com/file/d/0ByCtQR4yIfYDY2FMRjVlNkVRTzQ/edit (reading: 25.07.2018).
5. Reducing social and environmental impacts of urban freight transport: A review of some major cities;Browne;Procedia-Social and Behavioral Sciences, No,2012