@article{https://resolver.caltech.edu/CaltechAUTHORS:GIUapl72, title = "Enhancement of self-focusing threshold in sapphire with elliptical beams", journal = "Applied Physics Letters", url = "https://resolver.caltech.edu/CaltechAUTHORS:GIUapl72", id = "record", issn = "0003-6951", doi = "10.1063/1.1654278", volume = "21" } @article{https://resolver.caltech.edu/CaltechAUTHORS:20120809-133621098, title = "Self-focusing threshold of Gaussian-elliptic light beams", journal = "IEEE Journal of Quantum Electronics", url = "https://resolver.caltech.edu/CaltechAUTHORS:20120809-133621098", id = "record", issn = "0018-9197", doi = "10.1109/JQE.1972.1077170", volume = "8" }