Using the learning files :
an introduction to searching CAS ONLINE.
APA Citation
American Chemical Society. Chemical Abstracts Service. (1985). Using the learning files: an introduction to searching CAS ONLINE. Columbus, Ohio (2540 Olentangy River Rd., P.O. Box 3012, Columbus, 43210): Chemical Abstracts Service.
MLA Citation
American Chemical Society. Chemical Abstracts Service. Using the Learning Files: an Introduction to Searching CAS ONLINE. Columbus, Ohio (2540 Olentangy River Rd., P.O. Box 3012, Columbus, 43210): Chemical Abstracts Service, 1985.
Warning: These citations may not always be complete (especially for serials).