@article {19737,
	title = {Probing the charge-transfer state of CO on Pt(111) by two-dimensional infrared-visible sum frequency generation spectroscopy},
	journal = {Physical Review B},
	volume = {69},
	number = {15},
	year = {2004},
	note = {Times Cited: 17},
	author = {Chou, K. C. and Westerberg, S. and Shen, Y. R. and Ross, P. N. and Somorjai, G. A.}
}
