@article{oai:tsukuba.repo.nii.ac.jp:00027191,
 author = {Hatta, Yoshitaka and 八田, 佳孝},
 issue = {1-2},
 journal = {Physics letters. B},
 month = {Feb},
 pages = {186--190},
 title = {Notes on the orbitalangularmomentum of quarks in the nucleon},
 volume = {708},
 year = {2012}
}