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 riverside.(5)

harvard university.(4)

university of washington.(4)

duke university.(3)

the university of north carolina at chapel hill.(3)

university of toronto (canada).(3)

arizona state university.(2)

indiana university(2)

indiana university.(2)

marquette university.(2)

michigan state university.(2)

new york university.(2)

north carolina state university.(2)

oregon state university.(2)

state university of new york at stony brook.(2)

tufts university.(2)

university of california berkeley.(2)

walden university.(2)

american university.(1)

boston university.(1)

city university of new york.(1)

columbia university teachers college.(1)

dartmouth college.(1)

duke university(1)

george mason university.(1)

georgetown university.(1)

iowa state university.(1)

kansas state university.$bdepartment of biology.(1)

michigan school of professional psychology.(1)

montana state university.(1)