
This February 2006 promotion shows its age in a couple of key ways. First, more inline references are required for the text and footnotes, and I`m not knowledgeable on whether or not a couple of the provided general references are from reliable sources, not being up on my Swedish. The lead consists of exactly one sentence, before a longer History....
Found on
http://en.wikipedia.org/wiki/Protection_group
No exact match found.