00628nam a2200109Ia 4500008004100000245003800041300027700079650001300356856005800369999001900427952007200446170517s9999    xx            000 0 und d  aWhat Really Killed the Dinosaurs?  aFor more than 150 million years, dinosaurs dominated Earth. They were so successful that other animal groups - mammals included - had little chance of playing anything more than secondary roles. Then, 65 million years ago, the dinosaurs vanished from the world forever....  xScience.  uhttp://topdocumentaryfilms.com/what-killed-dinosaurs/  c334508d334508  001040aCLbCLd2017-05-17l0r2017-05-17 00:00:00w2017-05-17yDF