a Article Sager, Gene C. Environmental Lessons From Down Under. Reflection on Issues in Australia and the United States PDF 2002 - Firenze University Press Is part of Global bioethics : problemi di bioetica. MAR./JUN., 2002
a Article Sager, Gene C. Environmental education ponerings from down under PDF 2001 - Firenze University Press Is part of Global bioethics : problemi di bioetica. MARCH, 2001