20
July
20 July 2011 MarketWatch
http://www.marketwatch.com/story/how-to-make-sense-of-the-gold-to-silver-ratio-2011-07-19
20
July
How to make sense of the gold-to-silver ratio - Silver catching up to do
20 July 2011 MarketWatch
http://www.marketwatch.com/story/how-to-make-sense-of-the-gold-to-silver-ratio-2011-07-19