Comment on observation of the conductivity coherence peak in superconducting Bi2Sr2CaCu2O8 single crystals

S. Ingvarsson, L. Ritchie, et al.

Physical Review B - CMMP

W. Eidelloth, B. Oh, et al.

Applied Physics Letters

R.H. Koch, P. Chaudhari

Nature

R.P. Robertazzi, A.W. Kleinsasser, et al.

Physical Review B