Miscellaneous

Case Study Research: Design and Methods.
2008.
R. K. Yin.
[abstract]  [BibTeX] 
Case Studies and Theory Development in the Social Sciences.
2005.
A. L. George and A. Bennett.
[BibTeX] 

Journal articles

Social Bookmarking Tools (II): A Case Study - Connotea.
D-Lib Magazine, 11(4), 2005.
Ben Lund, Tony Hammond, Martin Flack and Timo Hannay.
[doi]  [BibTeX]