by Wenzl, R., Lehner, R., Pateisky, N., Sevelda, P., Husslein, P., Vry, U.
Published in The Lancet (British edition) (10.12.1994)

by Fercher, A F, Hu, H Z, Vry, U
Published in Applied optics (2004) (15.07.1985)

by Vry, U.
Published in Optica acta (01.10.1986)

by Fercher, A.F., Vry, U., Werner, W.
Published in Optics and lasers in engineering (1989)