The author cites Wikipedia. In the comments a poster claims to have added that bit to Wikipedia but was unable to cite any sources for it.
"Since i could not find any reference for it, I added it to the wikipedia page but was not fully certain i was right and that someone would remove it if i were wrong since i know really very little about how it works on the inside."
"Since i could not find any reference for it, I added it to the wikipedia page but was not fully certain i was right and that someone would remove it if i were wrong since i know really very little about how it works on the inside."