00300nam a2200121Ia 4500082001900000100001800019245007200037250000800109260002800117300002300145500000500168700000500173  a309.1bG936.AP  aGuest, Arthur  aAdvanced practical geographyba course for sixth forms and colleges  a5th  aLondonbHeinemannc1979  a110p. Index, Bibl.  a  a