"STOP WAR IN GREENLAND!".
Signed N. J. PAIK. Made 1969. Collage 15 x 25 cm.
Mats B.
JO Mallander, 1975.
Mats B. "FLUXUS, The Development of an antidote", Galleri Stenström, Stockholm, 1992.
JO Mallander, "Taiteen Che Guevara", liris 8.70, Helsingfors 1970, s. 15.