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 north carolina at chapel hill.(3)

columbia university.(2)

georgetown university.(2)

university of california berkeley.(2)

university of minnesota.(2)

arizona state university(1)

brandeis university.(1)

city university of new york(1)

city university of new york.(1)

clark university.(1)

columbia university(1)

indiana university.(1)

iowa state university(1)

michigan state university(1)

northern illinois university.(1)

princeton university(1)

princeton university.(1)

temple university.(1)

the chinese university of hong kong (hong kong).(1)

the pennsylvania state university.(1)

the university of chicago(1)

the university of western ontario (canada).(1)

the university of wisconsin - madison.(1)

trinity international university.(1)

tufts university(1)

university of california san diego.(1)

university of colorado at boulder.(1)

university of colorado at denver.(1)

university of delaware(1)

university of illinois at urbana-champaign.(1)