00433nam a2200145Ia 4500008004100000020001500041082002000056100001900076245007800095260004800173300000800221650001800229650001800247653002200265170901s1979    xx            000 0 und d  a0521218675  a574.52643bC64G  aCoupland, R.T. 0aGrasslands Ecosystems of the WorldbAnalysis of Grasslands and their Uses  aCambridgebCambridge University Pressc1979  a401  aLife sciences  aPure Sciences  aGrassland ecology