The development of versions 3 and 4 of the Cambridge Structural Database System.
Frank H. AllenJohn E. DaviesJean J. GalloyOwen JohnsonOlga KennardClare F. MacraeEleanor M. MitchellGary F. MitchellJ. Michael SmithDavid G. WatsonPublished in: J. Chem. Inf. Comput. Sci. (1991)