中国科学技术信息研究所--国家工程技术数字图书馆

university of california berkeley.(4)

state university of new york at binghamton.(3)

syracuse university.(3)

the university of wisconsin - milwaukee.(3)

university of toronto (canada).(3)

university of washington.(3)

city university of new york.(2)

university of california los angeles.(2)

university of california santa barbara.(2)

university of minnesota(2)

arizona state university.(1)

clark university.(1)

drexel university.(1)

duke university(1)

emory university(1)

georgetown university.(1)

harvard university.(1)

illinois institute of technology.(1)

marmara universitesi (turkey).(1)

michigan state university.(1)

northwestern university.(1)

rutgers the state university of new jersey - new brunswick(1)

rutgers the state university of new jersey - newark.(1)

southern illinois university at carbondale.(1)

state university of new york at binghamton(1)

state university of new york at buffalo.(1)

temple university.(1)

the george washington university.(1)

the pennsylvania state university.(1)

the university of arizona.(1)