@article{oai:repository.dl.itc.u-tokyo.ac.jp:00000290,
 author = {NAUMANN, EDMUND},
 journal = {Transactions of the Seismological Society of Japan},
 month = {},
 note = {application/pdf},
 pages = {1--18},
 title = {NOTES ON SECULAR CHANGES OF MAGNETIC DECLINATION IN JAPAN},
 volume = {5},
 year = {1882}
}