TY  - RPRT
TI  - Error Analysis of Three Spherotensiometric Methods.
AU  - L Zhang
AU  - L Ren
AU  - S Hartland
PY  - 1999
DO  - 10.1006/jcis.1998.5871
UR  - https://pubmed.ncbi.nlm.nih.gov/9878140/
ID  - 9878140
ER  -