Goodstein, R.l. (2) Goodstein, Eban S. (bard Center For Environmental Policy; The National Teach-in), Polasky, Stephen (university Of Minnesota) (1) Hrbacek, Karel (city College Of New York, Jech, Thomas (pennsylvania State University (1) Weintraub, Sidney, Goodstein, Marvin (1) R. L. Goodstein (1)