000 00384nam a2200157Ia 4500
082 _a309.10028542
_bD272.CG
100 _aDawson, John A. and Unwin, David J.
245 _aComputing for geographers
_b
260 _aLondon
_bDavid & Charles
_c1976
300 _a362p.
500 _a
690 _a
700 _aUnwin, David J. ; jt. auth.
964 _a
_b
_c
_d
_e
_f
_g
921 _a1122
999 _c1122
_d1122