@article{Kieffer1987, author = {K. W. Kieffer}, title = {Zweimal Weißer Saal}, journal = {{\"O}kologische Konzepte, Georg Michael Pfaff Ged{\"a}chtnisstifung, Kaiserslautern (No. 26, 1987), pp. 57-60.}, year = {1987}, }