@article{Peters, author = {Peters, K. E.}, title = {Realities and Ideals in the World System}, series = {Zygon. Journal of Religion and Science, Chicago (University of Chicago) Vol. 12 (No. 2, 1977), pp. 167-174.}, journal = {Zygon. Journal of Religion and Science, Chicago (University of Chicago) Vol. 12 (No. 2, 1977), pp. 167-174.}, language = {en} } @article{Peters, author = {Peters, K. E.}, title = {The Need for a Systems Approach: An Introduction to the Conference on >The Ecosystem, Energy, and Human Values<}, series = {Zygon. Journal of Religion and Science, Chicago (University of Chicago) Vol. 12 (No. 2, 1977), pp. 106-108.}, journal = {Zygon. Journal of Religion and Science, Chicago (University of Chicago) Vol. 12 (No. 2, 1977), pp. 106-108.}, language = {en} }