The Chemical Abstracts Service Chemical Registry System. I. General Design. - Paul G. Dittmar; Robert E. Stobaugh; Charles E. Watson (J. Chem. Inf. Comput. Sci., 1976)

The Chemical Abstracts Service Chemical Registry System. III. Stereochemistry. - James E. Blackwood; Patricia M. Elliott; Robert E. Stobaugh; Charles E. Watson (J. Chem. Inf. Comput. Sci., 1977)

The Chemical Abstracts Service Chemical Registry System. VII. Tautomerism and Alternating Bonds. - Joseph Mockus; Robert E. Stobaugh (J. Chem. Inf. Comput. Sci., 1980)

The Chemical Abstracts Service Chemical Registry System. VIII. Manual Registration. - J. P. Moosemiller; Anne W. Ryan; Robert E. Stobaugh (J. Chem. Inf. Comput. Sci., 1980)

The Chemical Abstracts Service Chemical Registry System. VI. Substance-Related Statistics. - Robert E. Stobaugh (J. Chem. Inf. Comput. Sci., 1980)

Chemical Abstracts Service chemical registry system. 9. Input structure conventions. - Anne W. Ryan; Robert E. Stobaugh (J. Chem. Inf. Comput. Sci., 1982)

Chemical substructure searching. - Robert E. Stobaugh (J. Chem. Inf. Comput. Sci., 1985)

Chemical Abstracts Service Chemical Registry System. 10. Registration of substances from pre-1965 indexes of Chemical Abstracts. - Karen A. Hamill; R. David Nelson; Gerald G. Vander Stouw; Robert E. Stobaugh (J. Chem. Inf. Comput. Sci., 1988)

Chemical Abstracts Service Chemical Registry System. 11. Substance-related statistics: update and additions. - Robert E. Stobaugh (J. Chem. Inf. Comput. Sci., 1988)