Searching for known items is fairly easy. For example. your might know the title, author or identification number of an engineering book, journal article, or standard.
To find a book in Omni, simply search the first few words in the title or the author's name.
To find an article in Omni, search the first few words in the title or the author's name or the article's DOI. What is a DOI? DOI standards for Digital Object Identifier. A DOI is a unique string of numbers, letters, and symbols that identifies an article or document on the web.