@article{oai:air.repo.nii.ac.jp:00004586,
 author = {NOGOSHI, Mitsuo},
 issue = {3},
 journal = {Journal of the Mining College, Akita University. Ser. A, Mining geology, Journal of the Mining College, Akita University. Ser. A, Mining geology},
 month = {May},
 pages = {1--51},
 title = {On Fundamental Nature of Microtremors and its Application},
 volume = {5},
 year = {1978}
}