TY  - JOUR
T1  - On the Sources of the Nitrogen of Vegetation; with Special Reference to the Question Whether Plants Assimilate Free or Uncombined Nitrogen
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 151
SP  - 431
EP  - 577
PY  - 1861/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1861.0024
M3  - doi:10.1098/rstl.1861.0024
AU  - Lawes, J.
AU  - Gilbert, J.
AU  - Pugh, E.
ER  -