Cleveland O'Neal, Jr.
naca-tn-3829
Oct 1956
Spontaneous ignition temperatures from 1 to 9 atmospheres were measured in air for n-heptane (straight-chain paraffin), isooctane (branched-chain paraffin), benzene (aromatic), and JP-4 and JP-5 fuels.
An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1956/naca-tn-3829.pdf