@article {papeer2013temporal,
	title = {Temporal evolution of femtosecond laser induced plasma filament in air and N2},
	journal = {Applied Physics Letters},
	volume = {103},
	number = {24},
	year = {2013},
	publisher = {AIP Publishing},
	author = {Papeer, J and Gordon, D and Sprangle, P and Botton, M and Zigler, A}
}
