000 00312nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a001.29791
_bSIL
100 _aSilk, John
245 0 _aStatistical concepts in geography
260 _aLondon
_bGeorge Allen & Unwin
_c1979
650 _aGeography
942 _cBK
999 _c33269
_d33269