@misc{indiciaeac57cbd8b387, title = {SPring-8 twin helical undulator.}, author = {T Hara and T Tanaka and T Tanabe and X M Maréchal and K Kumagai and H Kitamura}, year = {1998}, doi = {10.1107/s0909049597015719}, url = {https://pubmed.ncbi.nlm.nih.gov/15263533/}, note = {Source identifier: 15263533} }