@article{oai:soar-ir.repo.nii.ac.jp:00017289,
 author = {KOENUMA,  Akira},
 journal = {Journal of the Faculty of Liberal Arts and Science, Shinshu University. Part 2, Natural science},
 month = {Nov},
 note = {Article, Journal of the Faculty of Liberal Arts and Science, Shinshu University. Part 2, Natural science 11: 33-41(1961)},
 pages = {33--41},
 title = {On the Re-insemination upon the Fertilized Eggs of Hemicentrotus pulcherrimus},
 volume = {11},
 year = {1961}
}