TY  - RPRT
TI  - Combination of data from helical particles: correlation and selection.
AU  - L A Amos
PY  - 1975
DO  - 10.1016/s0022-2836(75)80159-8
UR  - https://pubmed.ncbi.nlm.nih.gov/1206702/
ID  - 1206702
ER  -