TY  - RPRT
TI  - Unmatched projector/backprojector pairs in an iterative reconstruction algorithm.
AU  - G L Zeng
AU  - G T Gullberg
PY  - 2000
DO  - 10.1109/42.870265
UR  - https://pubmed.ncbi.nlm.nih.gov/11021698/
ID  - 11021698
ER  -