S. Steffens

发表

G. Bringmann, U. Hentschel, W. Müller, 2003, Progress in molecular and subcellular biology.

F. Lehmkuhl, S. Marković, J. Hošek, 2018, Journal of Maps.

K. Clays, I. Asselberghs, M. Prosenc, 2008 .