“Observation of zero-bias tunneling conductance peak in underdoped La2-xSrxCuO4-d “, J. Y. T. Wei, N.-C. Yeh, W. D. Si, and X. X. Xi, Physica B 284, 973 (2000).
http://www.sciencedirect.com/science/article/pii/S0921452699023066
“Observation of zero-bias tunneling conductance peak in underdoped La2-xSrxCuO4-d “, J. Y. T. Wei, N.-C. Yeh, W. D. Si, and X. X. Xi, Physica B 284, 973 (2000).
http://www.sciencedirect.com/science/article/pii/S0921452699023066