by NIELINGER W,DT, RUDOLPH H,DT, SCHNEIDER K,DT
Year of Publication 30.04.1974

by MICHAEL D,DT, BOTTENBRUCH L,DT, NIELINGER W,DT
Year of Publication 04.02.1974

by MICHAEL D,DT, BOTTENBRUCH L,DT, NIELINGER W,DT
Year of Publication 10.04.1973

by DHEIN R,DT, NIELINGER W,DT, RUDOLPH H,DT, SCHNEIDER K,DT
Year of Publication 12.11.1974

by VERNALEKEN H,DT, NIELINGER W,DT, RUDOLPH H,DT, HAUPT H,DT, BLANKENSTEIN G,DT
Year of Publication 01.10.1974