中国科学技术信息研究所--国家工程技术数字图书馆

the university of texas at arlington.(5)

university of missouri - columbia.(5)

university of south florida.(5)

the university of akron.(3)

university of california los angeles.(3)

clemson university.(2)

iowa state university.(2)

north carolina state university.(2)

rutgers the state university of new jersey - new brunswick.(2)

southern illinois university at carbondale.(2)

the university of texas at san antonio.(2)

the university of utah.(2)

university of arkansas.(2)

university of colorado at denver.(2)

university of florida.(2)

university of nevada reno.(2)

university of washington.(2)

arizona state university.(1)

auburn university.(1)

purdue university.(1)

temple university.(1)

texas a&m university(1)

texas a&m university - kingsville.(1)

the university of akron(1)

the university of texas at arlington(1)

the university of texas at austin.(1)

the university of texas at austin.$bgeotechnical engineering.(1)

the university of tulsa.(1)

university of california irvine.(1)

university of colorado at boulder.(1)