TY  - RPRT
TI  - On differential mano-and volumetric methods.
AU  - B KOK
AU  - G W VELTKAMP
AU  - W P GELDERMAN
PY  - 1953
DO  - 10.1016/0006-3002(53)90003-1
UR  - https://pubmed.ncbi.nlm.nih.gov/13066450/
ID  - 13066450
ER  -