@incollection{Rego17, author = {Laura Rego and Julio San Román and Luis Plaja and Antonio Picón and Carlos Hernández-García}, title = {Ultrashort Extreme Ultraviolet Vortices}, booktitle = {Vortex Dynamics and Optical Vortices}, publisher = {IntechOpen}, address = {Rijeka}, year = {2017}, editor = {Hector Perez-de-Tejada}, chapter = {9}, doi = {10.5772/64908}, url = {https://doi.org/10.5772/64908} }