Sci has a manuscript number to represent it. Sci generation contains ISBN; Title; Time of submission; State time; As well as the status of the manuscript, the citation database of Science Citation Index (SCI) was created by EugeneGarfield of institute for scientific information (ISI) in Philadelphia, USA on 1957. SCI (scientific citation index), EI (engineering index) and ISTP (scientific conference record index) are internationally recognized as three world-famous scientific and technological literature retrieval systems.