000 00301nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a574.526
_bRAV
100 _aRavera, Oscar
245 _aTerrestrial and aquatic eco-systems : perturbation and recovery
260 _bEllis Horwood
_aNew York
_c1991
999 _c133667
_d133667