Dag W. Aksnes Gunnar Sivertsen The effect of highly cited papers on national citation indicators. 213-224 2004 59 Scientometrics 2 https://doi.org/10.1023/B:SCIE.0000018529.58334.eb https://www.wikidata.org/entity/Q114258388 db/journals/scientometrics/scientometrics59.html#AksnesS04