Methods of biological assay. By J. H. Bu
π
Article
π
1928
π
Wiley (John Wiley & Sons)
β 150 KB
π 1 views
## CHEMISTRY AND INDUSTHY 1117 or ia " energy levt~ls~" t,ltc ntonis of the inert gnses tnnrking t,hc siicocssivc coniplet.iott of thcsc clcctronic proupinp \\'IICII the outer litycr is incoinplcte, the clectsroiis forniiiig it. ditl'cr froin those of inner 1:iyers i i t that they nrc tiiticli ino