** [http://onlinelibrary.wiley.com/doi/10.1111/j.1468-4004.2007.48604_1.x/pdf Does ‘modified gravity’, not dark matter, explain galaxy motion?] | ** [http://onlinelibrary.wiley.com/doi/10.1111/j.1468-4004.2007.48604_1.x/pdf Does ‘modified gravity’, not dark matter, explain galaxy motion?] |