Cooper-Sarkar, A. M.; Devenish, R. C. E.; De Roeck, A. (1998). "Structure Functions of the Nucleon and Their Interpretation". International Journal of Modern Physics A13 (20): 3385–3586. doi:10.1142/S0217751X98001670. Bibcode: 1998IJMPA..13.3385C.
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Cooper-Sarkar, A. M.; Devenish, R. C. E.; De Roeck, A. (1998). "Structure Functions of the Nucleon and Their Interpretation". International Journal of Modern Physics A13 (20): 3385–3586. doi:10.1142/S0217751X98001670. Bibcode: 1998IJMPA..13.3385C.