Bollen, Johan; Van de Sompel, Herbert; Smith, Joan A.; Luce, Rick (1 December 2005). "Toward alternative metrics of journal impact: A comparison of download and citation data". Information Processing & Management. 41 (6): 1419–1440. arXiv:cs/0503007. Bibcode:2005IPM....41.1419B. doi:10.1016/j.ipm.2005.03.024. S2CID9864663.
Bollen, Johan; Van de Sompel, Herbert; Smith, Joan A.; Luce, Rick (1 December 2005). "Toward alternative metrics of journal impact: A comparison of download and citation data". Information Processing & Management. 41 (6): 1419–1440. arXiv:cs/0503007. Bibcode:2005IPM....41.1419B. doi:10.1016/j.ipm.2005.03.024. S2CID9864663.
Bollen, Johan; Van de Sompel, Herbert; Smith, Joan A.; Luce, Rick (1 December 2005). "Toward alternative metrics of journal impact: A comparison of download and citation data". Information Processing & Management. 41 (6): 1419–1440. arXiv:cs/0503007. Bibcode:2005IPM....41.1419B. doi:10.1016/j.ipm.2005.03.024. S2CID9864663.
Bollen, Johan; Van de Sompel, Herbert; Smith, Joan A.; Luce, Rick (1 December 2005). "Toward alternative metrics of journal impact: A comparison of download and citation data". Information Processing & Management. 41 (6): 1419–1440. arXiv:cs/0503007. Bibcode:2005IPM....41.1419B. doi:10.1016/j.ipm.2005.03.024. S2CID9864663.