000 00320nam a2200133Ia 4500
008 190710s9999 xx 000 0 und d
020 _a0-8039-2852-1
082 _a526 m831S
100 _aMorrill, Richard
245 0 _aSpatial diffusion
260 _aNew Delhi
_bSage Publications
_c1988
300 _a86
942 _cBK
999 _c18144
_d18144