Charge-density wave formation in Sr14-xCaxCu24O41. Phys. Rev. B, (66)6:060508, American Physical Society, August 2002. [PUMA: formation wave] URL
Optical response of the sliding charge density wave in K0.3MoO3. J. Phys. IV France 12: 81, (12):81-82, 2002. [PUMA: charge density wave]