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Rays are among the largest fishes and evolved from sharklike ancestors nearly 200 million years ago. They share with sharks many life history traits: all ...
Discovering Group Theory: A Transition to Advanced Mathematics presents the usual material that is found in a first course on groups and then does a ...
Rays are among the largest fishes and evolved from shark-like ancestors nearly 200 million years ago. They share with sharks many life history traits: all ...