Karamolegkos, P, Larsen, JE, Larsen, Lars Bo, Nikolakopoulos, G, Olseni, C, Patriakis, CZ, Pedersen, Christian Fischer, Pedersen, Jakob Schou, Proschowsky, M, Protonotarios, V and others, Draft User Functionalities and Interfaces of PN Services (Low-Fi Prototyping), In , 2006.