中国科学技术信息研究所--国家工程技术数字图书馆

university of illinois at urbana-champaign.(4)

george mason university.(2)

kwara state university (nigeria).(2)

michigan state university.(2)

north carolina state university.(2)

the chinese university of hong kong (hong kong).(2)

university of toronto (canada).(2)

alliant international university los angeles.(1)

anderson university.(1)

arizona state university.(1)

drexel university.(1)

ecole de technologie superieure (canada).(1)

florida agricultural and mechanical university.(1)

harvard university.(1)

heriot-watt university (united kingdom).(1)

kansas state university.(1)

lehigh university.(1)

lynn university.(1)

mississippi state university.(1)

new mexico state university.(1)

northcentral university.(1)

semmelweis egyetem (hungary).(1)

southern illinois university at carbondale.(1)

state university of new york at buffalo.(1)

the claremont graduate university.(1)

the george washington university.(1)

the university of nebraska - lincoln.(1)

the university of texas at arlington.(1)

the university of texas at el paso(1)

the university of texas at san antonio.(1)