Hits 1-3 within 3 documents
Programmierschnittstellen der kommerziellen Suchmaschinen [collection article]
Source: Akad. Verl.-Anst., 2008
Exploring the academic invisible web [journal article]
Source: Library Hi Tech, 24 (2006) 4. p.529-539
An exploratory study of Google Scholar [journal article]
Source: Online Information Review, 31 (2007) 6. p.814-830