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![Nuclear Engineering: Numerical Methods of Reactor Analysis. Melville Clark, Jr., and Kent F. Hansen. Academic Press, New York, 1964. xiii + 340 pp. Illus. $10.50. | Science Nuclear Engineering: Numerical Methods of Reactor Analysis. Melville Clark, Jr., and Kent F. Hansen. Academic Press, New York, 1964. xiii + 340 pp. Illus. $10.50. | Science](https://www.science.org/cms/10.1126/science.148.3669.492.a/asset/a3fef810-1f06-4fbb-b7fd-087d3ee21dd4/assets/science.148.3669.492.a.fp.png)