APPEARANCES +
R-27
Traces
2023, 2xCD, Ltd, Requiem Records
Various
Encyclopaedia Of Industrial Music (Volume III)
2013, CD, Comp, Ltd, Impulsy Stetoskopu, 
,
, Noise/Dark Ambient/Experimental/Musique Concrète
Mariann Käfer
Käfer's Indigest
2013
Various
Encyclopaedia Of Industrial Music (Volume I)
2010, 2xCDr, Comp, Impulsy Stetoskopu, ,
, Industrial/Power Electronics/Experimental
Various
Encyclopaedia Of Industrial Music (Volume II)
2010, CD, Comp, Impulsy Stetoskopu, ,
, Industrial/Power Electronics/Noise/Experimental/Musique Concrète
