000 00289nam a2200121Ia 4500
008 221118b |||||||| |||| 00| 0 eng d
040 _cBGL
100 _aPerman, Roger
245 0 _aNatural resource and environmental
260 _aLondon
_bLongmann
_c1999
300 _a564p
942 _cSAF
999 _c37446
_d37446