749a6e29__Usage_of_Electronic_Resources__Definition
[Term] Item [Examples/formats] Full text article, TOC, Abstract, Database record [Glossary Reference Number] 3.1.2.1 [Definition] 
A uniquely identifiable piece of published work that may be original or a digest or a review of other published work. PDF, Postscript and HTML formats of the same full text article (for example), will be counted as separate items.
COUNTER - Online Usage of Electronic Resources
Definition