TY - RPRT TI - Spherical self-organizing map using efficient indexed geodesic data structure. AU - Yingxin Wu AU - Masahiro Takatsuka PY - 2006 DO - 10.1016/j.neunet.2006.05.021 UR - https://pubmed.ncbi.nlm.nih.gov/16787738/ ID - 16787738 ER -