Lux S.E. et al., 1990a
Lux S.E., Tse, W.T., Menninger, J.C., John, K.M., Harris, P., Shalev, O., Chilcote, R.R., Marchesi, S.L., Watkins, P.C., Bennett, V., Mcintosh, S., Collins, F.S., Francke, U., Ward, D.C., and Forget, B.G. (1990) Nature, 345, 736-739.