Bott, S., MEANS, C., MEANS, N., BOTT, S., & ATWOOD, J. (1984). How short is a bond of order zero? A close cesium...cesium contact in the [Cs2(18-crown-6)]2+ cation. Journal of the American Chemical Society, 106(24), pp. 7627-7628. doi:10.1021/ja00336a056

Bott, Simon, CM MEANS, NC MEANS, SG BOTT, and JL ATWOOD. "How Short Is a Bond of Order Zero? A Close Cesium...cesium Contact in the [Cs2(18-crown-6)]2+ Cation." Journal of the American Chemical Society 106, no. 24 (1984): 7627-7628.

Bott, Simon, et al. "How Short Is a Bond of Order Zero? A Close Cesium...cesium Contact in the [Cs2(18-crown-6)]2+ Cation." Journal of the American Chemical Society 106.24 (1984): 7627-7628.