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D`yachenko, A.; Tarenkov, V.; Szymczak, R.; Szymczak, H.; Abal`oshev, A.; Lewandowski, S.; Leonyuk, L. ab-Plane Tunneling and Andreev Spectroscopy of Superconducting Gap an Pseudogap in . Fiz. Nizk. Temp. 2002, 29, 149-155.