中国科学技术信息研究所--国家工程技术数字图书馆

university of washington.(36)

arizona state university.(18)

tufts university.(16)

university of california berkeley.(16)

harvard university.(12)

university of california davis.(11)

university of california los angeles.(10)

university of toronto (canada).(10)

columbia university.(9)

state university of new york at buffalo.(9)

pratt institute.(8)

the university of texas at arlington.(8)

university of maryland college park.(8)

university of michigan.(8)

university of pennsylvania.(8)

university of southern california.(8)

rutgers the state university of new jersey - new brunswick.(7)

the university of north carolina at chapel hill.(7)

university of california irvine.(7)

university of delaware.(7)

university of massachusetts amherst.(7)

university of washington(7)

michigan state university.(6)

portland state university.(6)

rutgers the state university of new jersey school of graduate studies.(6)

texas a&m university.(6)

university of california berkeley(6)

university of colorado at denver.(6)

university of hawai'i at manoa.(6)

university of illinois at urbana-champaign.(6)