D. Dekker, G. Edelmayer, T. Groothuizen, C. Magnusson, P. Mayer, H. Neveryd, P. Panek, A. Rist, M. van Weeren:
"D11.1 Second Revised System Specifications";
Report for CEC / FRR Friendly Rest Room for Elderly People, QLK6-CT-2001-00458; 2005; 79 pages.