1 C.W. Patterson, H.W. Galbraith, B.J. Krohn, and W.G. Harter, Journal of Molecular Spectroscopu 77, (1979).
1 H.W. Galbraith, C.W. Patterson, B.J. Krohn, and W.G. Harter, Journal of Molecular Spectroscopy 73, (1978).
1 W.G. Harter, and C.W. Patterson, in (Springer Berlin Heidelberg, Berlin, Heidelberg, 1978), pp. 455–463.