Heusser, M. Unity Through Duality: Paradox in the Relation between Self and Pther in the Poetry of E. E. Cummings: Martin Heusser. Das Paradox : eine Herausforderung des abendländischen Denkens.(1992).

Heusser, Martin. "Unity Through Duality: Paradox in the Relation Between Self and Pther in the Poetry of E. E. Cummings: Martin Heusser." Das Paradox : Eine Herausforderung Des Abendländischen Denkens.(1992) .

Heusser, Martin. "Unity Through Duality: Paradox in the Relation Between Self and Pther in the Poetry of E. E. Cummings: Martin Heusser." Das Paradox : Eine Herausforderung Des Abendländischen Denkens.(1992), .