Nilsson, R. “»The Walls Ought to Be Demolished from the inside«: KRUM and the Failure of the Prison Struggle in Sweden in the 1960s and 70s”. Nordisk Tidsskrift for Kriminalvidenskab, bd. 106, nr. 1, marts 2019, s. 37-53, doi:10.7146/ntfk.v106i1.124725.