@article{Sonnefraud2014, 
author = {Sonnefraud, Y. and Sinclair, H. G. and Sivan, Y. and Foreman, M. R. and Dunsby, C. and Neil, M. A. A. and French, P. M. W. and Maier, S. A.}, 
journal = {Nano. Lett.},
doi = {10.1021/nl5014103},
pages = {4449--4453}, 
title = {Experimental proof of concept of nanoparticle assisted STED}, 
volume = {14}, 
year = {2014},
}