How many research papers has Edward A. Belbruno published?
Edward A. Belbruno has published over 60 research papers in professional journals in mathematics, celestial mechanics, aerospace engineering, astrophysics, and cosmology.
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### Instruction:
How many research papers has Edward A. Belbruno published?

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### Response:
Edward A. Belbruno has published over 60 research papers in professional journals in mathematics, celestial mechanics, aerospace engineering, astrophysics, and cosmology.<|im_end|>