Gaumnitz T, Jain A, Pertot Y, Huppert M, Jordan I, Ardana-Lamas F, Wörner HJ (oktober 2017). ”Streaking of 43-attosecond soft-X-ray pulses generated by a passively CEP-stable mid-infrared driver” (på engelska). Optics Express 25 (22): sid. 27506–27518. doi:10.1364/OE.25.027506. PMID 29092222.
Gaumnitz T, Jain A, Pertot Y, Huppert M, Jordan I, Ardana-Lamas F, Wörner HJ (oktober 2017). ”Streaking of 43-attosecond soft-X-ray pulses generated by a passively CEP-stable mid-infrared driver” (på engelska). Optics Express 25 (22): sid. 27506–27518. doi:10.1364/OE.25.027506. PMID 29092222.