M. Reicherter, T. Haist, E. Wagemann, and H. Tiziani. Optics letters, (1999)474 cites: https://scholar.google.com/scholar?cites=14888936557308381149&as_sdt=2005&sciodt=0,5&hl=en.
H. Tiziani, T. Haist, and S. Reuter. Optics and lasers in engineering, (2001)31 cites: https://scholar.google.com/scholar?cites=10249054131397115772&as_sdt=2005&sciodt=0,5&hl=en.
T. Haist, and H. Tiziani. Optics communications, (1998)36 cites: https://scholar.google.com/scholar?cites=5441514535776584317&as_sdt=2005&sciodt=0,5&hl=en.