Samenvatting
In this book the dutch contributions at this meeting are collected, - translated into dutch -, together with an article on the keeping course on bicycles and mopeds, which appeared before. Two of the contributions are on bicycles and cyclepaths, the third one on the distribution of goods in urban areas. For the abstracts see B 77038 - B 17040 (IRRD nos 249350 to 249352).