Chen, D.
, Goldfarb, R.
, Cross, R.
and Sanchez, A.
(1993),
Surface Barrier and Lower Critical Field in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-δ</sub> Superconductors, Physical Review B (Condensed Matter and Materials Physics)
(Accessed September 16, 2024)