TY - GEN AU - French, Norman R TI - Perspectives in grassland ecology: results and applications of the Us/ IBP grassland biome study T2 - 32 SN - 0-387-90384-4 U1 - 574. 526 43 FRE CY - U S A, Springer Verlag KW - Grassland ecology- USA/ range management- USA ER -