A guide to the world's abstracting and indexing services in science and technology / National Federation of Science Abstracting and Indexing Services. National Federation of Science Abstracting and Indexing Services Science Abstracting and indexing. Technology Abstracting and indexing. Z697.S5 N3 no. 102 029.46 NAG Washington : National Science Foundation, 1963. 1963. 1963 Text viii, 183 p. ; eng National Federation of Science Abstracting and Indexing Services. Report ; no. 102