Original: She was especially involved in; 'working circle explosives' in which she achieved limited success with Siegfried Hausner when they managed to manufacture a small amount of TNT in December 1970 in the University Institute of Physiology.
Simplified: Siegfried Hausner 1952 1975 Student member of the SPK and later the RAF, especially involved in the 'working circle explosives. She was especially involved in;' working circle explosives'.