000 00335nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aN.Gilbert & A.P
245 0 _aEcological Relation
250 _a-
260 _aSan Francisco
260 _bW.H.Freeman and Company
260 _c0
650 _aEcological Relation
942 _cBK
999 _c4296
_d4296