TY  - RPRT
TI  - Improved activity sedimentation method.
AU  - G Yarrison
AU  - G L Choules
PY  - 1972
DO  - 10.1016/0003-2697(72)90427-7
UR  - https://pubmed.ncbi.nlm.nih.gov/5062881/
ID  - 5062881
ER  -