@article {lee1996synthesis,
	title = {Synthesis of Symmetric Fluorescently Labeled Poly (ethylene glycols) Using Phosphoramidites of Pyrenebutanol and Their Characterization by MALDI Mass Spectrometry},
	journal = {Macromolecules},
	volume = {29},
	year = {1996},
	pages = {3060{\textendash}3072},
	author = {S. Lee and M. A. Winnik* and R. M. Whittal and L. Li*}
}
