She was especially involved in ; ` working circle explosives ' in which she achieved limited success with PERSON@1 when they managed to manufacture a small amount of ORGANIZATION@1 in December NUMBER@1 in the ORGANIZATION@2 .

PERSON@1 NUMBER@2 NUMBER@3 Student member of the ORGANIZATION@3 and later the ORGANIZATION@4 , especially involved in the ` working circle explosives . She was especially involved in ; ` working circle explosives ' .
