Forms of STI

A comment I have heard on numerous occasions is that OSTI has a too many databases and search tools and it is difficult to know which to use.  Well, I am sure that a lot of people do find the variety of OSTI resources to be a bit confusing, but it really takes different types of databases and search tools to cover all the different types of scientific and technical information (STI).  Scientific and technical information has many forms, such as journal articles, technical reports, patents and e-prints.  Each has its own publication route which requires its own method of acqui