000 00300nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a574.5
100 _aPolunin,Nicholas.
245 _aEcosystem: Theory and application.
260 _aChich
_bJohn Wiley.
_c1986
300 _a445
942 _2ddc
_cBK
999 _c12939
_d12939