2000

1. Entropy generation and inflation in wave collision induced pre-big-bang cosmology

   Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 491, Núm. 1-2, pp. 190-198

2. Initial conditions and the structure of the singularity in pre-big-bang cosmology

   Classical and Quantum Gravity, Vol. 17, Núm. 18, pp. 3599-3616