@misc{oai:tsukuba.repo.nii.ac.jp:00011322,
 author = {李, 火銀},
 month = {},
 note = {2001, 【要旨】},
 title = {Deformation characteristics of sheared coal seam and their influence on methane migration, Pingdingshan Coalfield, Northern China},
 year = {2002}
}