000 00343nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a591.5
100 _aCLAPHAM, W.B
245 0 _aNational Ecosysterms
250 _a2nd
260 _bNew York. MacMillan Pub Co.,
_cUS 1983
300 _a(ix),282p;
942 _cPR
999 _c40067
_d40067