@article{oai:tsukuba.repo.nii.ac.jp:00018507,
 author = {Murakami, Kouichi and 村上, 浩一 and Suhara, Hiromitsu and Fujita, Shigeru and Masuda, Kohzoh},
 issue = {7},
 journal = {Physical review B},
 month = {Aug},
 pages = {3409--3412},
 title = {Hydrogen states probed by electron-spin resonance of phosphorus donors in silicon},
 volume = {44},
 year = {1991}
}