中国科学技术信息研究所--国家工程技术数字图书馆

the university of chicago.(6)

the university of north carolina at chapel hill.(5)

university of washington.(5)

webster university.(4)

city university of new york.(3)

george mason university.(2)

georgetown university.(2)

loyola university chicago.(2)

new york university.(2)

northwestern university.(2)

temple university.(2)

the ohio state university(2)

the university of wisconsin - milwaukee.(2)

university of arkansas.(2)

university of california berkeley.(2)

university of california los angeles.(2)

university of maryland college park.(2)

university of southern california.(2)

york university (canada).(2)

american university.(1)

arizona state university.(1)

arkansas state university.(1)

boston university.(1)

bowling green state university.(1)

columbia university(1)

columbia university.(1)

duquesne university.(1)

fletcher school of law and diplomacy (tufts university).(1)

florida atlantic university.(1)

harvard university.(1)