Paper  doi  bibtex   

@article{Garcia2004,
	title = {Two-dimensional charged particle image inversion using a polar basis function expansion},
	volume = {75},
	issn = {0034-6748},
	url = {http://scitation.aip.org/content/aip/journal/rsi/75/11/10.1063/1.1807578},
	doi = {10.1063/1.1807578},
	number = {11},
	urldate = {2014-10-08},
	journal = {Review of Scientific Instruments},
	author = {Garcia, Gustavo a. and Nahon, Laurent and Powis, Ivan},
	month = nov,
	year = {2004},
	pages = {4989--4996}
}