Samenvatting
In literature information, the author distinguishes two aims: The first important aim being to facilitate the acquisition of a survey of existing special literature by subject matter - having a viable, as far as is possible, ready informative material concerning that special literature, and the training of research workers, by laying at their disposal the literature so that with the aid of this special material, they are able to compose literature reports both monomer multi-disciplinary and inter-disciplinary.