@article {fraenkel1997generation,
	title = {Generation of intense collimated monochromatic X-ray beam using femtosecond table-top laser},
	journal = {Physica Scripta},
	volume = {56},
	number = {6},
	year = {1997},
	pages = {571},
	publisher = {IOP Publishing},
	author = {Fraenkel, M and Zigler, A and Faenov, A Ya and Pikuz, TA}
}
