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 san francisco(4)

university of california san diego(3)

university of california san francisco.(3)

university of southern california.(3)

case western reserve university.(2)

new york university.(2)

north carolina state university(2)

the university of utah.(2)

university of california davis.(2)

university of california san diego.(2)

university of pennsylvania.(2)

university of toronto (canada)(2)

boston university(1)

colorado state university.(1)

cornell university.(1)

drexel university.(1)

duke university(1)

florida atlantic university.(1)

harvard university.(1)

indiana university(1)

maharaja sayajirao university of baroda (india)(1)

mcgill university (canada).(1)

mcmaster university (canada).(1)

michigan state university(1)

michigan state university.(1)

necmettin erbakan university (turkey).(1)

oregon state university.(1)

purdue university.(1)

rutgers the state university of new jersey school of graduate studies.(1)

st. john's university (new york)(1)