TY  - JOUR
T1  - Observations on the Change of Some of the Proximate Principles of Vegetables into Bitumen; With Analytical Experiments on a Peculiar Substance Which is Found with the Bovey Coal
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 94
SP  - 385
EP  - 410
PY  - 1804/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1804.0017
M3  - doi:10.1098/rstl.1804.0017
AU  - Hatchett, C.
ER  -