Natural/Unnatural

R. Hoffmann, New England Review and Bread Loaf Quarterly, XII(4), 323 (1990); Reprinted in Interdisciplinary Science Revs., 16, 161-167 (1991). Reprinted in Science, Technology and Society (Lehigh Univ.), 79, 1 (1990). Reprinted in modified form in M. D. Joesten, D. O. Johnston, J. T. Netterville and J. L. Wood, The World of Chemistry, Saunders, Philadelphia, 1991, p. 23. Reprinted in New England Review, 15(1), 234-243 (1993) (Fifteenth Anniversary Anthology). Translated into Spanish by Angela Cacho Castillo, Revista Universitaria (Santiago, Chile), 45, 16-22 (1994). Translated into Polish by Dorota Bank-Hammermeister and Danuta Sobczynska, in Teoria-Technika-Eksperyment (Poznan: Wydawnictwo Naukowe IFUAM), 11-28 (1995). Reprinted in Spanish in Relaciones (Montevideo, Uruguay), 154, 11-13 (March 1997).