Engineering Index (Compendex) contains over seven million references and abstracts taken from over 5,000 engineering journals, conferences and technical reports. Online coverage is from 1969 to the present and includes nuclear technology, bioengineering, transportation, chemical and process engineering, light and optical technology, agricultural engineering and food technology, computers and data processing, applied physics, electronics and communications, control, civil, mechanical, materials, petroleum, aerospace and automotive engineering as well as narrower subtopics within all these and other major engineering fields.