A covariant determination of the Weyl canonical frames in Petrov type I spacetimes
A covering theorem and the random-indestructibility of the density zero ideal
A Cratera de Colônia (São Paulo - SP) Aspectos Gerais
A Critical Analysis of Special Relativity in Light of Lorentz's and Michelson's ideas
A critical density cosmological model with varying gravitational and cosmological ``constants''
A critical evaluation of oxidation versus reduction during metamorphism of L and LL group chondrites,and implications for asteroid spectroscopy
A critical re-evaluation of the Miocene/Pliocene boundary as defined in the Mediterranean
A critical review of inflation
A critical review of observations of classical gamma-ray bursts
A critical study on the concept of identity in Zermelo-Fraenkel-like axioms
A criticism of big bang cosmological models based on interpretation of the red shift
A Cross-age Study of Senior High School Students' Conceptions of Basic Astronomy Concepts
A crucial test of the Dirac cosmologies
A cryo-amplifier working in a double loop-flux locked loop scheme for SQUID readout of TES detectors
A curious dialogical logic and its composition problem
A curved gravity-wave structure in the mesospheric airglow images
A cylindrically symmetric inhomogeneous cosmological model with electromagnetic field
A dark energy and phantom energy dilaton-Brans-Dicke multiverse with positive cosmological constant
A dark energy model in a scalar tensor theory of gravitation
A data-calibrated distribution of deglacial chronologies for the North American ice complex from glaciological modeling