Wikmark, Hampus Spatiotemporal coupling of attosecond pulses. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America 03 2019 - 4779-4787 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1091-6490 Standard No.: 10.1073/pnas.1817626116 doi