by DENNLER,BERND,.DR, BAEUMER,WILHELM,.DR, KNOELL,MANFRED
Year of Publication 16.06.1971

by REINER HESSE,DR, WILHELM BAEUMER,DR, BERND DENNLER,DR, DIETRICH ERDMANN,DR
Year of Publication 11.02.1971

by WILHELM BAEUMER,DR, ISTVAN NAMENYI,DR, BERND DENNLER,DR
Year of Publication 02.07.1970

by REINER HESSE,DR, MANFRED ENGELHARDT,DR, BERND DENNLER,.DR, WILHELM BAEUMER,.DR, WOLFGANG FRUHSTORFER,DR
Year of Publication 12.11.1970