TY  - RPRT
TI  - Image registration using hierarchical B-splines.
AU  - Zhiyong Xie
AU  - Gerald E Farin
DO  - 10.1109/tvcg.2004.1260760
UR  - https://pubmed.ncbi.nlm.nih.gov/15382700/
ID  - 15382700
ER  -