Aufsatzsammlung Communication in science Methodology Handbooks, manuals, etc Communication of technical information Methodology Handbooks, manuals, etc Einführung Elektronik Informatievoorziening Information storage and retrieval systems Engineering Methodology Handbooks, manuals, etc Information storage and retrieval systems Science Methodology Handbooks, manuals, etc Informationsbeschaffung Ingenieurwissenschaften Naturwissenschaft Natuurwetenschappen Science Information services Methodology Handbooks, manuals, etc Technology Information services Methodology Handbooks, manuals, etc