The International Journal of Systems Science is abstracted and indexed in: ACM Guide to Computing Literature; Astrophysics Data System; British Library Inside; Cambridge Scientific Abstracts; EBSCO Databases; Electronic Collections Online; Emerald Computer Abstracts International Database; Engineering Information Inc; INSPEC®; International Abstracts in Operations Research; ISI CompuMath Citation Index®; ISI Current Contents® - Engineering, Computing & Technology; ISI Science Citation Index®; Mathematical Reviews / MathSciNet; New Jour; OCLC ArticleFirst; Scopus; Zentralblatt MATH / Mathematics Abstracts and Zetoc.