@article {1310197,
	title = {Relative Signs of the 31P-1H and 31P-C-1H Nuclear Magnetic Resonance Coupling Constants},
	journal = {J. Am. Chem. Soc.Journal of the American Chemical Society},
	volume = {85},
	year = {1963},
	note = {5},
	pages = {2665-2666},
	author = {Whitesides, G. M. and Beauchamp, J.C. and Roberts, J.D.}
}
