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  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 1
SP  - 159
EP  - 161
PY  - 1800/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1800.0090
M3  - doi:10.1098/rspl.1800.0090
AU  - Hatchett, C.
ER  -