"Chimie Analyse et indexation des documents." . . "Information Systems." . . "Chemistry Abstracts." . . "Systèmes d'information Chimie." . . "Abstracting and Indexing." . . "Chemistry Indexes." . . . . "Química Documentació." . . "Chemical abstracts." . . "Information Services." . . "American Chemical Society." . . "Abstracting and Indexing as Topic." . . . . . . "CAS Printed access tools : a workbook" . "CAS printed access tools a workbook"@en . "Problems and exercises"@en . . "CAS printed access tols : a user guide" . . . . . "CAS: printed access tools: a workbook" . . . . . . "CAS Printed access tools : A user guide" . . . . . . . . . . . . . . . . . . "CAS printed access tools a user guide"@en . "Cas printed access tools : a user guide" . . . "CAC printed access tools : a workbook" . . . . . . . "CAS printed access tools : a user guide"@en . "CAS printed access tools : a user guide" . "CAS printed access tools : a workbook" . "CAS printed access tools : a workbook"@en . . . . . . . . . . . . "Printed access tools : a user guide"@en . . . . . . "CAS printed access tools"@en . . . . . . "Handbooks and manuals"@en . . . "Einführung." . . "Recuperación de la información." . . "Chemical abstracts service." . . . "Chemical abstracts (base de données) chimie recherche documentaire recherche en ligne [manuel]" . . "Chemical abstracts service Etats-Unis." . .