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http://en.wikipedia.org/wiki/Nuclear_reaction
http://academic.brooklyn.cuny.edu/physics/sobel/Nucphys/react.html
http://oregonstate.edu/instruct/ch374/ch418518/Chapter%2010%20NUCLEAR%20...
http://web.calstatela.edu/faculty/dmargaz/CrossSections.pdf
http://www2.lbl.gov/abc/wallchart/teachersguide/pdf/Chap07.pdf
http://www.griffith.edu.au/__data/assets/pdf_file/0007/272662/RonNielsen...
http://www.eolss.net/Sample-Chapters/C05/E6-06B-06-03.pdf
http://www.ikp.uni-koeln.de/groups/ex/schieck/SKRIPT/nrpolapfindraft.pdf
http://arxiv.org/pdf/0908.3275.pdf
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