00337nam a2200109Ia 4500 160531s9999 xx 000 0 und d Petry, Walter. A Theory of Gravitation in Flat Space-Time by Walter Petry 2014 http://www.sciencepublishinggroup.com/book/B-978-1-940366-11-1.aspx 295276 295276 0 0 0 CL CL 2016-05-31 0 2016-05-31 00:00:00 2016-05-31 CBE