---++ Bibliographic Query Resolver
Accepts bibliographic meta-data and returns the corresponding GUID (e.g. DOI, LSID)
   * CrossRef offers a variety of possibilities to resolve DOIs. More information can be found at [[http://www.crossref.org/02publishers/25query_spec.html][CrossRefs query spec pages]]. The DOI link directly redirects to the online document (subscription dependent) or abstract.
   * PudMed offers a 'Batch Citation Matcher' to retrieve a PMID which can be completed as LSID?