机译:Environmental impact assessment: Cutting edge for the twenty‐first century, A. Gilpin. Cambridge university press, Cambridge, 1995. ISBN 0 52141931x, £40.00 (hardback), 0 521 42967 6, £13.95 (paperback), xv + 182 pp
机译:Desertification: Natural background and human mismanagement, 2nd edn., M. Mainguet. Springer, Berlin, 1994. ISBN 3 540 57746 7 2 (Springer study edn.), sFR 94.50 (hardcover), xiv + 314 pp