Anomalously Large Gap Anisotropy in the a-b plane of Bi2212
Author List: Z.-X. Shen, D.S. Dessau, B.O. Wells, D.M. King, W.E. Spicer, A.J. Arko, D.S. Marshall, L.W. Lombardo, A. Kapitulnik, P. Dickinson, S. Doniach, J. Dicarlo, T. Loeser, and C.H. Park
Journal Reference: Phys. Rev. Lett. 70, 1553 (1993).