@article {sanchez1999collimation,
	title = {Collimation of plasma-produced x-rays by spherical crystals: Ray-tracing simulations and experimental results},
	journal = {Review of scientific instruments},
	volume = {70},
	number = {3},
	year = {1999},
	pages = {1614{\textendash}1620},
	publisher = {American Institute of Physics},
	author = {Sanchez del Rio, M and Fraenkel, M and Zigler, A and Faenov, A Ya and Pikuz, TA}
}
