(1)
L. I. Leonyuk, Rakhimov H. ΠΆ., and K. Sethupathi, Observation of resonance structure on currentvoltage characteristics of break junctions based on Bi-Sr-Ca-Cu-O: Pb, Low Temp. Phys. 18, (1992) [Fiz. Nizk. Temp. 18, 609-611, (1992)].