This citation is not unique because more than one item appears on the page referenced. At this time, we can only provide some links from which to choose. Please try the links below to find the particular item you are looking for.
Dynamics of Banded Structure Formation in Rapid Solidification
Alain Karma and Armand Sarkissian
Phys. Rev. Lett. 68, 3368 (1992)
An Obstacle to Building a Time Machine
Sean M. Carroll, Edward Farhi, and Alan H. Guth
Phys. Rev. Lett. 68, 3368 (1992)