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 los angeles.(2)

university of colorado at denver.(2)

alliant international university(1)

baylor university.(1)

chicago state university.(1)

fordham university(1)

harvard university.(1)

hong kong polytechnic university (people's republic of china).(1)

iowa state university.(1)

kent state university.(1)

lincoln memorial university.(1)

michigan state university(1)

michigan state university.(1)

new york university(1)

northwestern university.(1)

southern illinois university at carbondale(1)

state university of new york college of environmental science and forestry(1)

the johns hopkins university.(1)

the university of north carolina at charlotte.(1)

tufts university.(1)

university of california santa barbara.(1)

university of delaware.(1)

university of illinois at urbana-champaign.(1)

university of maryland college park.(1)

university of massachusetts amherst.(1)

university of michigan(1)

university of michigan.(1)

university of pennsylvania.(1)

university of southern california.(1)

university of toronto (canada)(1)