G. Ringel

发表

Dirk-Roger Schmitt, Frank Kratz, Gabriele A. Ringel, 1995, Other Conferences.

G. Ringel, G. Ringel, J. Kvapil, 1988 .

Dirk-Roger Schmitt, Helmut H. Toebben, F. Kratz, 1996, Optical Systems Design.