000 00267nam a2200109Ia 4500
008 201231s9999 xx 000 0 und d
100 _aRoberts, R.D. and Roberts,T.M
245 0 _aPlanning & Ecology
260 _aLondon
_bChapman & hall
300 _a464
942 _cBK
999 _c10209
_d10209