Moser, W. Haroldo de Campos' literary experimentation of the second kind: Walter Moser. Experimental - visual - concrete : Avant-Garde Poetry since the 1960s.(1996).

Moser, Walter. "Haroldo De Campos' Literary Experimentation of the Second Kind: Walter Moser." Experimental - Visual - Concrete : Avant-Garde Poetry Since the 1960s.(1996) .

Moser, Walter. "Haroldo De Campos' Literary Experimentation of the Second Kind: Walter Moser." Experimental - Visual - Concrete : Avant-Garde Poetry Since the 1960s.(1996), .