00536nam a2200169Ia 4500082002300000100008300023245005300106260003200159300001300191500000500204653000600209700000500215952010500220964001700325921000900342999001500351  a309.10942bIn61.CP  aInternational Geographical Congress, 20th, Royaume Univ., United Kingdom, 1967  aCongress proceedingsbcEd. by J. Wreford Watson  aLondonbThomas Nelsonc1967  ax, 401p.  a  a   a  00104070aISIbISId1998-06-03l0o309.10942 In61.CPpDP10953r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a1153  c1153d1153