@article{oai:tsukuba.repo.nii.ac.jp:00007833,
 author = {Iwasaki, Y. and 岩崎, 洋一},
 issue = {21},
 journal = {Physical review letters},
 month = {May},
 pages = {1266--1268},
 title = {Is a State cc̄ cc̄ Found at 6.0 GeV?},
 volume = {36},
 year = {1976}
}