000 00425nam a2200169Ia 4500
008 200204s9999 xx 000 0 und d
020 _a9780050032039
082 _a574.5223 TIV
100 _a"Tivy, Joy"
245 0 _aHuman impact on the ecosystem/by Joy Tivy and Greg O'Hare
260 _aEdinburgh
260 _bOliver and Boyd
260 _c1981
300 _a243p
650 _aEnvironmental policy
942 _cBK
999 _c40420
_d40420