@article{id_5613,
title = "PINNING FORCES AND LOWER CRITICAL FIELDS IN YBA2CU3O7 CRYSTALS - TEMPERATURE-DEPENDENCE AND ANISOTROPY - COMMENT",
author = "K. Andres, BS. Chandrasekhar",
journal = "Physical Review Letters",
volume = "67",
year = "1991",
url = "http://dx.doi.org/10.1103/PhysRevLett.67.1473",
}