@article{oai:kitami-it.repo.nii.ac.jp:00007101, author = {M., Takahashi and T., Sakaguchi and N., Okazaki and A., Tada}, month = {Dec}, pages = {113--118}, title = {Characterization of BPO4 Catalyst for Oligomerizarion of Light Olefins}, volume = {18}, year = {2004} }