The NCI Drug Information System. 3. The DIS chemistry module. - George W. A. Milne; Alfred Feldman; J. A. Miller; G. P. Daly (J. Chem. Inf. Comput. Sci., 1986)

The NCI Drug Information System. 2. DIS pre-registry. - George W. A. Milne; Alfred Feldman; J. A. Miller; G. P. Daly; M. J. Hammel (J. Chem. Inf. Comput. Sci., 1986)