@article{oai:kitami-it.repo.nii.ac.jp:00007100,
 author = {M., Takahashi and T., Sakaguchi and N., Okazaki and A., Tada},
 month = {Dec},
 pages = {107--112},
 title = {Active BPO4 Catalyst for Oligomerizarion of Light Olefins},
 volume = {18},
 year = {2004}
}