00283nam a2200097Ia 4500008004100000082002100041100002500062245004700087260004300134300000800177140113s9999    xx            000 0 und d  a631.95(251)   L9  a"Coupland,R.T., Ed."  aGrassland ecosystems of the World. IBP -18  a1979bCambridge Univ. PresscCambridge  a401