John Mingers Measuring the research contribution of management academics using the Hirsch-index. 1143-1153 2009 60 J. Oper. Res. Soc. 9 https://doi.org/10.1057/jors.2008.94 https://www.wikidata.org/entity/Q63650706 db/journals/jors/jors60.html#Mingers09