The Use of chemical literature / edited by R. T. Bottle. Bottle, R. T. ed. Information Storage and retrival systems QD8.5 .B6 1969b 010.78 BOU Includes bibliographical references and index. London : Butterworths, 1969. 1969. 1969 Text xii, 294 p., [1] leaves of plates : eng Information sources for research and development