Knut Erik Solem and Helge Brattebo................................................................................................................................................. 71
Kiyoshi Sawada, Tomohiko Kawai and Yoshimi Takeuchi........................................................................................................... 83
Ralph Dollmeier and Gunter Warnecke............................................................................................................................................. 91
J. Vergara, S. Damm, J. Villanueva, J.-M. Godoy and F. Tikal...................................................................................................... 103
Absorption
Properties of Layer Semiconductor TlGaSe2 Doped Gd
Bekir Gurbulak, Seydi Dogan, Aytunc Ates, Muhammet Yildirim,
S. Kh. Agaeva and Sebahattin Tuzemen........................................................................................................................................ 113
Ana Madureira, Carlos Ramos, Silvio do Carmo Silva................................................................................................................. 121