Add a DOI lookup box at your webpage !! Digital Object Identifier (DOI) is a persistent unique code used to identify and retrieve a specific publication on the Internet, usually a journal article, web document, or other item of intellectual property DOI: use following code : < form method = "post" action = "http://dx.doi.org/" > DOI: < input type = "text" name = "hdl" value = "" size = "45" / > < input type = "submit" value = "Submit" / > < input type = "reset" value = "Reset" / > < / form >