000 003590000a22001450004500
245 _aMathematics for geographers and planners
100 _aWilson, A.G.
100 _aKirkby, M.J.
260 _aOxford
_bClarendon Press
_c1975
300 _a325 p.
440 _aContemporary problems in geography
080 _a51:71
_bW5
041 _aEN
942 _cBK
999 _c103662
_d103662