中国科学技术信息研究所--国家工程技术数字图书馆

indiana university.(5)

the university of chicago.(4)

university of minnesota.(4)

university of california berkeley.(3)

university of north texas.(3)

university of toronto (canada).(3)

bilkent universitesi (turkey).(2)

boston college.(2)

bursa uludag university (turkey).(2)

california state university long beach.(2)

city university of new york.(2)

george mason university.(2)

iowa state university.(2)

izmir institute of technology (turkey).(2)

state university of new york at binghamton.(2)

state university of new york college of environmental science and forestry.(2)

the ohio state university.(2)

the university of utah.(2)

the university of wisconsin - madison.(2)

university of california los angeles.(2)

university of delaware.(2)

university of massachusetts amherst.(2)

university of michigan.(2)

university of missouri - columbia.(2)

university of washington.(2)

alabama agricultural and mechanical university.(1)

arizona state university.(1)

boston university.(1)

bowling green state university.(1)

bursa uludag university (turkey)(1)