@article{761331, author = {D Chen and Ronald Goldfarb and R Cross and A Sanchez}, title = {Surface Barrier and Lower Critical Field in YBa2Cu3O7-δ Superconductors}, year = {1993}, number = {48}, month = {1993-09-01 00:09:00}, publisher = {Physical Review B (Condensed Matter and Materials Physics)}, language = {en}, }