TY  - JOUR
T1  - On Acquired Radio-Activity
JF  - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934)
VL  - 214
SP  - 433
EP  - 445
PY  - 1914/01/01/
UR  - http://dx.doi.org/10.1098/rsta.1914.0024
M3  - doi:10.1098/rsta.1914.0024
AU  - Crookes, W.
ER  -