@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033331,
 author = {Yokoyama, Izumi and Suparto, Siswowidjojo},
 issue = {2},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Jun},
 note = {application/pdf},
 pages = {317--329},
 title = {17. Volcanological Survey of Indonesian Volcanoes : Part 5. A Gravity Survey on and around Batur Caldera, Bali},
 volume = {48},
 year = {1970}
}