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245 4 _aThe Mystery of the Jurassic
300 _aFor years scientists have been trying to find the mysterious evolutionary master key responsible for transforming the dinosaurs into world-beaters. In the early Jurassic, 200 million years ago, they were a relatively small group of primitive creatures. By the late...
650 _xScience.
856 _uhttp://topdocumentaryfilms.com/mystery-jurassic/
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