Paetzold, H. (1997). How to Bridge the Gap Between the Philosophy of Art and the aesthetics of nature: A systematic approach / Heinz Paetzold. Issues in contemporary culture and aesthetics.

Paetzold, Heinz. "How to Bridge the Gap Between the Philosophy of Art and the Aesthetics of Nature: A Systematic Approach / Heinz Paetzold." Issues in Contemporary Culture and Aesthetics 1997.

Paetzold, Heinz. "How to Bridge the Gap Between the Philosophy of Art and the Aesthetics of Nature: A Systematic Approach / Heinz Paetzold." Issues in Contemporary Culture and Aesthetics, 1997.