To take this class you must be a paid member fo the BJCP Study Sessions Class. See this discussion for more details:
CLASS 6: AMBER LAGERS, DARK LAGERS, AND BOCKS – BJCP Categories 3, 4, and 5. Class consists of discussion of history, ingredients, brewing process and characteristics of each style as well as sampling of examples.
1. Strong, Gordon et al (2008). BJCP Style Guidelines. Categories (3, 4, and 5). Retrieved from http://www.bjcp.org/stylecenter.php