@article {limm1989photochemical,
	title = {Photochemical Free-Volume Generation in Poly(methyl methacrylate) Photoresists},
	journal = {Polym. Eng. Sci.},
	volume = {29},
	year = {1989},
	pages = {911{\textendash}915},
	author = {W. Limm and M. A. Winnik* and B. A. Smith}
}
