Nice Thesis -> Amazon and Wal-Mart's Supply Chain Practice

If you are looking for a good detailed reference on how big retail industries are executing their supply chain, this MIT master thesis doc (2005) may shed a light.  Colby Ronald Chiles and Marguarette Thi Dau have written quite an elaborate case study on how Amazon and Wal-Mart arrange their logistics.  You can download the document via the following link. 

openclipart.org / montacarichi

Have fun then :)