@article{oai:nagaokaut.repo.nii.ac.jp:00000516,
 author = {高田, 雅介 and 公田, 博三},
 journal = {長岡技術科学大学研究報告},
 month = {Oct},
 note = {Using 1014 laid-open patents field between July ’88 and Dec ’88, we investigated the trend of technical development in ceramic superconducting materials.},
 pages = {99--106},
 title = {<調査報告>セラミック超電導材料},
 volume = {11},
 year = {1989}
}