Here's a couple of references I found stored on my tablet https://nextgrandminimum.wordpress.com/ http://notrickszone.com/2013/11/11/german-scientists-solar-cycle-24-points-to-dalton-or-maunder-like-minimum-boding-ill-for-a-climate-cooling/ http://theweathercentre.blogspot.co.uk/2013/01/new-maunder-minimum-coming-in-not-so.html 73 Paul I Need a Bigger Amp !