Ghangchun College of Geology
changchun geological institute
Changchun Institute of Geology
Changchun Coliege of Geology
changchun city
Interna Postcode 13oo26
Changchun
Teaching and Research Section of Seismology
Changcnun College of Geologg
water works department
jilin
Dept. of Geology
Changzhum
Jilia province
Changchun Universtty of Earth Sciences
northeast china
the chang chuu geological institute
Changchun college of Geology Science
Changchun University of Earth Sciences
Changchun College of Geology
guangzhou marine geological survey
changchun geology college
Ghangclarn Unuersity of Earth Sciences
Geological Institute of Changchun
Changchun Collage of Geology
Changcham University of Earty Sciences
changchun geologic institute
2
Changchun Colleye of Geology
Changchun University of Earth Science
Chanchun College of Geology
Changchan University of Earth Sciences
Changchun College ot Ceology
Chang-Tsung Institute of Geology
changchun geological college
Changchum College of Geology
Changchun Uuiversity of Earth Science
36～38.