Sherwood, Dennis, and Jon Cooper. "Diffraction by one‐dimensional obstacles." Crystals, X-rays and Proteins: Comprehensive Protein Crystallography. : Oxford University Press, 2010-11-04. Oxford Scholarship Online. 2011-01-01. Date Accessed 20 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199559046.001.0001/acprof-9780199559046-chapter-7>.
Sherwood, D., & Cooper, J.(2010-11-04). Diffraction by one‐dimensional obstacles. In Crystals, X-rays and Proteins: Comprehensive Protein Crystallography. : Oxford University Press. Retrieved 20 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199559046.001.0001/acprof-9780199559046-chapter-7.
Sherwood, Dennis, and Jon Cooper. "Diffraction by one‐dimensional obstacles." In Crystals, X-rays and Proteins: Comprehensive Protein Crystallography. : Oxford University Press, 2010-11-04. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199559046.001.0001/acprof-9780199559046-chapter-7.
Sherwood D, Cooper J. Diffraction by one‐dimensional obstacles. In: Sherwood D, Cooper J. Crystals, X-rays and Proteins: Comprehensive Protein Crystallography. Oxford University Press; 2010. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199559046.001.0001/acprof-9780199559046-chapter-7. Accessed May 20, 2013.