Life sciences and space research XXV. (3). Natural and artificial ecosystems : proceedings of the topical meeting of the COSPAR Interdisciplinary Scientific Commission F (Meeting F4) of the COSPAR Twenty-ninth Plenary Meeting held in Washington, DC, U.S.A., 28 August-5 September, 1992
edited by R.D. MacElroy ... [et al.]
Bok Engelsk 1993