TY  - JOUR
T1  - Studies on Biogenesis
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 164
SP  - 457
EP  - 477
PY  - 1874/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1874.0012
M3  - doi:10.1098/rstl.1874.0012
AU  - Roberts, W.
ER  -