00258nam a2200097 a 450000500170000008200190001710000190003624500420005526000450009730000180014220251203091127.0  a304.2,bD, Joh  aJohnston, R.J.  aOn Human Geography, R.J.Johnston, eng  aNew York, Basil Blackwell Ltd., USc1986  a198p.c22 cm.