Schoenlein R., T. Elsaesser, K. Holldack, Z. Huang, H. Kapteyn, M. Murnane, and M. Woerner, inPhilosophical Transactions Of The Royal Society A: Mathematical, Physical And Engineering Sciences(Royal Society, London, 2019), p. 20180384.
Kapteyn H., R.W. Lee, R.W. Falcone, A.A. Zholents, H.A. Padmore, T.E. Glover, S. Johnson, M.S. Zolotorev, Z. Chang, R. Schoenlein, and P.A. Heimann, inUnknown(AIP, Stanford, California (Usa), 2000), pp. 156-160.
Heimann P.A., T. Missalla, A. Lindenberg, I. Kang, S. Johnson, Z. Chang, H. Kapteyn, R.W. Lee, R.W. Falcone, R. Schoenlein, and T.E. Glover, inUnknown(AIP, Chicago, Illinois (Usa), 2000), pp. 664-668.