Together with the Group of Six Authors Jerman made action-exhibitions in public spaces for example, the bathing-area on the river Sava, the Republic Square and the Faculty of Philosophy in Zagreb, in addition to exhibitions in galleries.
One of his most famous installations is This is not my world, a sentence that he wrote on photo paper with developer in 1976, and exhibited on a street in Belgrade.
[1] He co-founded the Working Association of Artists active in the space Podroom (Mesnička 12, Zagreb).
Later he also initiated the formation of the Extended Media Gallery as part of HDLU (Croatian Association of Artists) in Zagreb.
Jerman wrote theoretical and critical texts and columns published in newspapers and socio-cultural magazines, including: Jerman’s column published in Polet, Studentski list, a student paper (1988), a series of feuilletons about art and artists from the 1970s and 1980s in the daily newspaper Jutarnji list (2000), Lost Portraits also published in Jutarnji list (2002–2003) and the column Egotrip in the cultural magazine Zarez (2002–2006).